Questions
An electric bulb is designed to draw Po power at Vo voltage, If the voltage is V, it draws P power. Then
detailed solution
Correct option is B
Let E be the resistance of each bulb.Then P0=V02R or R=V02P0Further P=V2R=V2V02P0=VV02P0Talk to our academic expert!
Similar Questions
A resistor R is connected across a battery of emf 12 V. It observed that terminal potential differenceis 9 V and the power delivered to resistor is 18 W. Internal resistance of the battery ‘r’ and the resistance R are respectively
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