Same current is flowing in two alternating circuits. The first circuit contains only inductances 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
A
increase in first circuit and decrease in second
B
increase in both circuits
C
decrease in both circuits
D
decrease in first circuit and increase in second
Text Solution
Verified by Experts
The correct Answer is:
c
Current corresponding to inductive circuit `I=(V)/(Z)=(V)/(omegaL) rarr I_("inductive") prop (1)/(omega)` similary for capocitive circuit wgeb frequency of AC is increased from Eq (i) `I_("inductive")` decrease abd from Eq (ii) `I_("capactive")` increases
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