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Question

A bulb is rated as 270V, 0.5 A. Its power is



A

125 watt 

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B

60 watt 

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C

135 watt 

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D

100 watt 

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Solution

The correct option is C

135 watt 


V = 270 V, I = 0.5 A

P = V × I = 270 × 0.5 = 135 watt


Physics

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