Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

A battery consists of 8 cells connected in series. Each cell provides an e.m.f. of $1.5\,\text{V}$. The battery is linked to a single $8.0\,\Omega$ resistor for 40 minutes.
(a)[1]

Calculate the e.m.f. produced by the battery.

(b)[4]

Calculate the energy transferred from the battery in 40 minutes.

(c)[2]

Describe the energy changes that occur over the 40 minutes.

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