Question

calculate the power when a torch bulb is at 3V and 600mA

Answer 1

Explanation:

POWER=

$\frac{work}{time} = \frac{v \times q}{t} = v \times i$

GIVEN:

VOLT=3V

CURRENT=600mA=600×10raise to power-3A

$now \\ p = v \times i = 3 \times600 \times 10 {}^{ - 3} \\ which \: is \: equal \: to \\ 1800 \times 10 {}^{ - 3} or \: 1.8$

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