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Course: OCR A Level Physics A H556
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Curriculum

OCR A Level Physics A H556

1. Development of Practical Skills in Physics

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2. Foundations in Physics

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3. Forces and Motion

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4. Electrons, Waves and Photons

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OCR H556 chapter questions and answers

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Quiz

9.3.1 Resistance – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A 6.0 V p.d. gives 0.20 A. R is
0.033 Ω
1.2 Ω
30 Ω
60 Ω
2.
Resistors of 100 Ω and 100 Ω in parallel give
200 Ω
100 Ω
50 Ω
25 Ω
3.
The resistance of a metal wire at higher temperature
decreases
increases
stays constant
becomes zero
4.
Doubling the length and doubling the area of a wire makes its resistance
double
halve
unchanged
four times
5.
The total resistance of parallel resistors is always
greater than the largest
equal to the sum
less than the smallest
equal to the mean
6.
Which unit is equivalent to the ohm?
A V⁻¹
V A⁻¹
V A
J A⁻¹
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Part of 4. Electrons, Waves and Photons — see every lesson and quiz in this unit.
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