Same current is flowing in two alternating circuits. The first circuit contains only inductor and the other contains only a capacitor. If the frequency of the e.m.f. of AC is increased, the effect on the value of the current will be
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a
Increased in the first circuit and decreased in the other
b
Increased in both the circuits
c
Decreased in both the circuits
d
Decreased in the first circuit and increased in the other
answer is D.
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Detailed Solution
For the first circuit, i=VXc=VωL=V2πνL⇒i∞1ν In the second circuit, i=VXc=V1ωc=2πVν ⇒i∞ν
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Same current is flowing in two alternating circuits. The first circuit contains only inductor and the other contains only a capacitor. If the frequency of the e.m.f. of AC is increased, the effect on the value of the current will be