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

Options

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

Answer

D

Explanation

Current corresponding to inductive circuit,
`I=(V)/(Z)=(V)/(omegaL)implies I_("inductive")prop(1)/(omega)` . .. (i)
Similarly, for capacitive circuit
`I_("capacitive")propomega` . . . (ii)
When frequency of AC is increased,
From eq. (i) `I_("inductive")` decreases
from eq. (ii) `I_("capacitive")` increases.