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  3. An electric bulb is rated 100 W, 250 V. How much current will the bulb draw if connected to a 250 V supply

. An electric bulb is rated 100 W, 250 V. How much current will the bulb draw if connected to a 250 V supply

Best Answer

Power, P = 100 W

Voltage, V = 250 V

We know that,

Power, P = VI

I = P / V

I = 100 / 250

I = 0.4 A

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