Question

A sine wave voltage is applied across an inductor. when the frequency of the voltage is decreased, the current

Answer 1

Dear user,

If the opposition to applied voltage is increased, then current value is decreased.

Here,the opposition is due to reactance of capacitor.

Xc=12πfC

Xc=reactance of capacitor,

f=frequency of applied voltage.

Xc∝1f[since12πC=constant] (1)

From ohm's law,

V=IcXc

Xc=VIc

Xc∝1Ic[since V is constant] (2)

From  (1)&(2);

1f∝1IC

Ic∝f

From above relation,

If the frequency of voltage is decreased, then current value is also decreased.

Hope it will help u....

Answer 2

Answer:

Increase

Explanation:

Impedance will be given by :

Xl = 2πfL

(f being the frequency)

Hence, if frequency reduces consequently impedance(xL) reduces contributing to higher current

correct if wrong