A resistor is connected to a constant potential difference

MATHEMATICS · Single correct · GCSE · Mathematics · Ratio and Proportion · Ratio and Proportion

Problem

A resistor is connected to a constant potential difference. If the potential difference is doubled, by what factor does the power dissipated in the resistor change? (a)

2

(twice) (b)

4

(four times) (c)

8

(eight times) (d)

3

(three times)

Related theory

Algebraic Proportion
Direct and inverse variation
Direct proportion
Ratio and Proportion

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