The Amateur Radio Project - Revision problems

# Revision problems

### Question 4 of 10

A battery has an e.m.f. of 12V and an internal resistance of 4. The power dissipated in a 20 resistor connected across its terminals will be

1. 36W
2. 7.2W
3. 6W
4. 5W

1 | 2 | 3 | 4

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