# Resistors in series and parallel; power

### Explanation of question 1

Three resistors, of value 1.8k, 2.2k and 2.7k respectively, are connected in series. An equivalent resistor will have a resistance value of

1. 0.72
2. 6.7
3. 0.72 k
4. 6.7 k

The answer is :- 4

R = (1.8 + 2.2 + 2.7) k = 6.7 k

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