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Chapter 1 - Electric Current, Ohms Law and Kirchhoffs Laws

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Chapter 4 - Alternating Current AC Circuits

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Quiz

Lesson 1: Electric Current, Potential Difference, Resistance and Resistivity — Picture questions (exam style)

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  • Questions count: 40
  • Passing grade: 60%
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1.
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
larger resistance: X, gradient of the combination = 5 units
larger resistance: Y, gradient of the combination = 3 units
larger resistance: X, gradient of the combination = 3 units
larger resistance: Y, gradient of the combination = 5 units
2.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 19 C, mean current = 1.58 A
total charge = 19 C, mean current = 1.00 A
total charge = 23 C, mean current = 1.50 A
total charge = 23 C, mean current = 1.00 A
3.
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in series, which option is correct?
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in series, which option is correct?
larger resistance: X, gradient of the combination = 3 units
larger resistance: Y, gradient of the combination = 2 units
larger resistance: Y, gradient of the combination = 4/3 units
larger resistance: X, gradient of the combination = 4/3 units
4.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 16 C, mean current = 2.00 A
total charge = 18 C, mean current = 1.80 A
total charge = 18 C, mean current = 1.00 A
total charge = 18 C, mean current = 2.00 A
5.
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
larger resistance: X, gradient of the combination = 5 units
larger resistance: Y, gradient of the combination = 5 units
larger resistance: X, gradient of the combination = 5/2 units
larger resistance: X, gradient of the combination = 6/5 units
6.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 30 C, mean current = 3.00 A
total charge = 34 C, mean current = 3.00 A
total charge = 34 C, mean current = 2.00 A
total charge = 22 C, mean current = 2.50 A
7.
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
larger resistance: Y, gradient of the combination = 8 units
larger resistance: X, gradient of the combination = 8 units
larger resistance: Y, gradient of the combination = 3/2 units
larger resistance: Y, gradient of the combination = 4 units
8.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 58 C, mean current = 4.83 A
total charge = 46 C, mean current = 7.25 A
total charge = 72 C, mean current = 3.00 A
total charge = 72 C, mean current = 4.83 A
9.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 76 C, mean current = 3.00 A
total charge = 84 C, mean current = 3.00 A
total charge = 64 C, mean current = 4.57 A
total charge = 64 C, mean current = 3.00 A
10.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 42 C, mean current = 3.00 A
total charge = 42 C, mean current = 9.00 A
total charge = 36 C, mean current = 4.50 A
total charge = 36 C, mean current = 3.00 A
11.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 28 C, mean current = 3.00 A
total charge = 60 C, mean current = 6.67 A
total charge = 60 C, mean current = 4.00 A
total charge = 40 C, mean current = 4.00 A
12.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 29 C, mean current = 2.50 A
total charge = 21 C, mean current = 3.50 A
total charge = 21 C, mean current = 2.62 A
total charge = 32 C, mean current = 2.00 A
13.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 18 C, mean current = 2.00 A
total charge = 24 C, mean current = 3.00 A
total charge = 18 C, mean current = 3.00 A
total charge = 22 C, mean current = 4.50 A
14.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 23 C, mean current = 3.83 A
total charge = 31 C, mean current = 2.88 A
total charge = 23 C, mean current = 2.88 A
total charge = 19 C, mean current = 3.83 A
15.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 11 C, mean current = 1.62 A
total charge = 11 C, mean current = 2.17 A
total charge = 13 C, mean current = 1.62 A
total charge = 17 C, mean current = 2.17 A
16.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 21 C, mean current = 2.50 A
total charge = 21 C, mean current = 3.12 A
total charge = 25 C, mean current = 3.12 A
total charge = 25 C, mean current = 4.17 A
17.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 19 C, mean current = 2.38 A
total charge = 21 C, mean current = 1.90 A
total charge = 17 C, mean current = 1.90 A
total charge = 19 C, mean current = 1.90 A
18.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 26 C, mean current = 1.86 A
total charge = 30 C, mean current = 1.00 A
total charge = 28 C, mean current = 1.00 A
total charge = 28 C, mean current = 2.60 A
19.
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in parallel, which option is correct?
larger resistance: X, gradient of the combination = 7 units
larger resistance: Y, gradient of the combination = 7 units
larger resistance: X, gradient of the combination = 12/7 units
larger resistance: X, gradient of the combination = 1 units
20.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 12 C, mean current = 2.00 A
total charge = 12 C, mean current = 4.00 A
total charge = 16 C, mean current = 2.50 A
total charge = 16 C, mean current = 2.00 A
21.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 72 C, mean current = 6.75 A
total charge = 54 C, mean current = 4.50 A
total charge = 54 C, mean current = 3.00 A
total charge = 66 C, mean current = 3.00 A
22.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 26 C, mean current = 3.50 A
total charge = 26 C, mean current = 3.80 A
total charge = 38 C, mean current = 3.80 A
total charge = 26 C, mean current = 3.00 A
23.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 38 C, mean current = 3.00 A
total charge = 72 C, mean current = 3.50 A
total charge = 72 C, mean current = 3.00 A
total charge = 50 C, mean current = 4.17 A
24.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 12 C, mean current = 1.83 A
total charge = 13 C, mean current = 1.83 A
total charge = 11 C, mean current = 1.83 A
total charge = 9 C, mean current = 2.75 A
25.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 22 C, mean current = 1.83 A
total charge = 22 C, mean current = 2.75 A
total charge = 26 C, mean current = 2.50 A
total charge = 18 C, mean current = 2.75 A
26.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 34 C, mean current = 4.25 A
total charge = 48 C, mean current = 3.00 A
total charge = 34 C, mean current = 8.50 A
total charge = 22 C, mean current = 4.25 A
27.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 32 C, mean current = 3.20 A
total charge = 36 C, mean current = 2.00 A
total charge = 32 C, mean current = 2.00 A
total charge = 36 C, mean current = 3.20 A
28.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 15 C, mean current = 1.00 A
total charge = 15 C, mean current = 1.50 A
total charge = 13 C, mean current = 1.00 A
total charge = 19 C, mean current = 1.50 A
29.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 26 C, mean current = 3.50 A
total charge = 32 C, mean current = 2.00 A
total charge = 26 C, mean current = 3.25 A
total charge = 32 C, mean current = 6.50 A
30.
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in series, which option is correct?
The I–V lines for X and Y are shown (gradients in arbitrary units). When they are connected in series, which option is correct?
larger resistance: Y, gradient of the combination = 6/7 units
larger resistance: X, gradient of the combination = 6/7 units
larger resistance: Y, gradient of the combination = 7 units
larger resistance: X, gradient of the combination = 7 units
31.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 37 C, mean current = 4.30 A
total charge = 43 C, mean current = 4.30 A
total charge = 37 C, mean current = 5.38 A
total charge = 37 C, mean current = 3.00 A
32.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 20 C, mean current = 2.00 A
total charge = 16 C, mean current = 2.00 A
total charge = 22 C, mean current = 1.00 A
total charge = 20 C, mean current = 3.33 A
33.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 43 C, mean current = 4.90 A
total charge = 49 C, mean current = 4.90 A
total charge = 49 C, mean current = 6.12 A
total charge = 60 C, mean current = 3.00 A
34.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 14 C, mean current = 1.80 A
total charge = 18 C, mean current = 1.80 A
total charge = 20 C, mean current = 1.00 A
total charge = 22 C, mean current = 2.50 A
35.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 13 C, mean current = 1.00 A
total charge = 16 C, mean current = 1.88 A
total charge = 15 C, mean current = 1.88 A
total charge = 15 C, mean current = 1.00 A
36.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 19 C, mean current = 4.17 A
total charge = 36 C, mean current = 4.17 A
total charge = 25 C, mean current = 4.17 A
total charge = 31 C, mean current = 6.25 A
37.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 11 C, mean current = 2.17 A
total charge = 13 C, mean current = 1.62 A
total charge = 11 C, mean current = 1.00 A
total charge = 13 C, mean current = 1.00 A
38.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 24 C, mean current = 2.00 A
total charge = 26 C, mean current = 2.50 A
total charge = 24 C, mean current = 3.00 A
total charge = 20 C, mean current = 2.50 A
39.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 32 C, mean current = 4.00 A
total charge = 48 C, mean current = 3.00 A
total charge = 38 C, mean current = 4.00 A
total charge = 20 C, mean current = 3.00 A
40.
The graph shows the current in a conductor against time. Which option is correct?
The graph shows the current in a conductor against time. Which option is correct?
total charge = 17 C, mean current = 1.70 A
total charge = 17 C, mean current = 2.50 A
total charge = 15 C, mean current = 1.70 A
total charge = 21 C, mean current = 2.50 A
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