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Calculate the Resistance of an Electric Bulb Which Allows a 10 a Current When Connected to a 220 V Power Source. - Science

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Calculate the resistance of an electric bulb which allows a 10 A current when connected to a 220 V power source.

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Solution

Current flowing through the electric bulb, I = 10 A
Voltage of the source in the circuit, V = 220 V
According to Ohm’s law,
V=IR
Where, R is the resistance of the electric bulb

`R=V/I=220/10=22`Ω
Therefore, the resistance of the electric bulb is 22 Ω.

 

Concept: Electric Power
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