Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

B.5.5 Electric Resistance – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The ohm is equivalent to
A V−1
V A
J C−1
V A−1
2.
A resistor carries 2.0 A when 24 V is across it. Its resistance is
0.083 Ω
26 Ω
12 Ω
48 Ω
3.
A wire is cut to half its length. Its resistance becomes
the same
double
one quarter
half
4.
The V–I graph for an ohmic conductor is
a straight line through the origin
a curve through the origin
a horizontal line
a straight line not through the origin
5.
A wire of diameter d has resistance R. A wire of the same material and length with diameter 2d has resistance
R/2
2R
R/4
4R
6.
As a metal filament heats up, its resistance
decreases
increases
stays the same
becomes zero
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Part of Theme B — The Particulate Nature of Matter — see every lesson and quiz in this unit.
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