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Alternating current

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An inductor and a bulb are connected in series with an a.c source. How would the brightness of the bulb change when..
a)the number of turns in the inductor is reduced?
b)an iron rod is inserted in the inductor?
c) a capacitor of reactance Xc=Xl is connected in series in the circuit?


 

Induchoodan Ramesh


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