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Physics · Unit 1 · Electrical circuits · Current, potential difference and energy flow

Describe the concept of power dissipation over resistors in a circuit.

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Question 1

Which statement correctly describes power dissipation in a resistor when current flows through it?

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Question 2

What happens to electrical energy when current flows through a resistor in a circuit?

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Question 3

A resistor in a series circuit carries a current of 0.5 A and has a potential difference of 6.0 V across it. Which statement best describes the power dissipation in this resistor?

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Question 4

Refer to the circuit diagram below. Which statement best describes the pattern of power dissipation across the three resistors?

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