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Date November 2014 Marks available 1 Reference code 14N.1.SL.TZ0.16
Level Standard level Paper Paper 1 Time zone Time zone 0
Command term Question number 16 Adapted from N/A

Question

A cylindrical resistor of volume V and length l has resistance R. The resistor has a uniform circular cross-section. What is the resistivity of the material from which the resistor is made?

A. \(\frac{V}{{R{l^2}}}\)

B. \(\frac{{{V^{\rm{2}}}R}}{l}\)

C. \(\frac{{VR}}{{{l^2}}}\)

D. \(\frac{{{V^2}}}{{Rl}}\)

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 5: Electricity and magnetism » 5.2 – Heating effect of electric currents
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