Physics, asked by Sushantyadav37, 1 year ago

You are providing with 30W-6V bulb and supply voltage of 120 volt.Calculate the resistance to be connected in series with bulb for the bulb to glow

Answers

Answered by amalganesh10
1
Power=30W...
and voltage = 6v
P=vi 
therefore I= 5A
now resistance = 120/5= 24 ohms
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