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In a box Z of unknown elements, L or R o...

In a box Z of unknown elements, L or R or any other combintion, an ac vottage E = `E_(0)sin (omegat + phi)` is applied and current in the circuit was found to be `l = l_(0) sin (omegat + phi + (pi)/(4)).` The unknown element in the box may be

A

Only capacitor

B

Inductor and resistor both

C

Either capacitor, resistor and inductor or only capacitor and resitor

D

Only resistor

Text Solution

Verified by Experts

The correct Answer is:
C
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