# Current, voltage and resistance

### Explanation of question 9

A current of 0.5A flows through a resistor when a p.d. of 1.5V is applied to its terminals. The resistor has a resistance of

1. 3
2. 0.75
3. 0.5
4. 0.33

The answer is :- 1

R = = 1.5 / 0.5 = 3

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