A bulb of $22 Ω$ is producing light when connected to a $220 V$ supply. What is the electric power of the bulb?

2200 W

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1000 W

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22 W

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220 W

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Solution

The correct option is A $2200 W$
Given,
Resistance of the bulb, $R = 22 Ω$
Voltage, $V = 220$ volts
We know,
Power of the bulb, $P = \frac{V^{2}}{R}$

$P = \frac{220^{2}}{22}$

$P = 2200 W$

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A bulb of 22 Ω is producing light when connected to a 220 V supply. What is the electric power of the bulb?

The correct option is A 2200 WGiven,Resistance of the bulb, R=22ΩVoltage, V=220 voltsWe know,Power of the bulb, P=V2RP=220222P=2200 W

A bulb of $22 Ω$ is producing light when connected to a $220 V$ supply. What is the electric power of the bulb?

The correct option is A $2200 W$
Given,
Resistance of the bulb, $R = 22 Ω$
Voltage, $V = 220$ volts
We know,
Power of the bulb, $P = \frac{V^{2}}{R}$

$P = \frac{220^{2}}{22}$

$P = 2200 W$