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Energy, power and resistance

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Question 4

The potential difference across a resistor is 6.0 V. The current in the resistor is 15 mA.

What is the energy dissipated in the resistor in 2.0 hours2.0\text{ hours}2.0 hours?

A

0.090 J0.090\text{ J}0.090 J

B

0.18 J0.18\text{ J}0.18 J

C

10.8 J10.8\text{ J}10.8 J

D

648 J648\text{ J}648 J

Markscheme

Energy, power and resistance Questions

  1. A Level
  2. /Physics
  3. /Energy, power and resistance

26 exam-style questions on OCR A A Level Physics Energy, power and resistance, covering Circuit symbols, E.m.f. and p.d, Resistance, Resistivity, and Power. Each one has a worked solution and a mark scheme showing where the marks go.

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