A bulb of 60 volt and 10 watt is connected with 100 volt of ac source with an inductance coil in series. If bulb illuminates with it's full intensity then value of inductance of coil is ( ν ν = 60 Hz)
Text Solution
Verified by ExpertsThe correct answer is:
A
Resistance of the bulb 
For maximum illumination, voltage across the bulb 
By using
Current through the inductance 
Current through the bulb 
Also 
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