A lamp is operated for 20 s. The current in the lamp is 10 A. In this

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A lamp is operated for 20 s. The current in the lamp is 10 A. In this time, it transfers 400 J of energy to the lamp. Calculate:
a. How much charge flows through the lamp
b. How much energy each coulomb of charge transfers to the lamp
c. The p.d. across the lamp.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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