Q.

Same current is flowing in two alternating circuits. The first circuit contains only inductance and the other contains only a capacitor. If the frequency of the e.m.f. of a.c. is increased, the effect on the value of the current will be

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a

Increases in both the circuits

b

increases in 1st circuit  but decreases in 2nd circuits

c

Decreases in both the circuits

d

Decreases in first circuit and increases in the other

answer is D.

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Detailed Solution

In first circuitI1=EωL In second circuitI2=(E1/ωC)
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