Home
Class 12
PHYSICS
When a.c. flows through a resistor, the ...

When a.c. flows through a resistor, the e.m.f. is in ........with the current.

A

e.m.f. leads the current by `pi/2`

B

e.m.f. lags behind the current by `pi/2`

C

e.m.f. and current are in the same phase.

D

e.m.f. leads the current by `pi/4`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

When a.c passes through a capacitor, the current.

When a.c. flows through a capacitor, the peak value of current in the circuit is........

In an a.c. circuit, the current

A battery of e.m.f 6 V is connected to a resistor of 100 Omega through an ammeter of resistance 2Omega . If 50 mA current flows through resistor, find the itnernal resistance of the battery.

Whenever changing current is passed through a conductor, an e.m.f. is induced, that is.

A current of 5A flows through 12 ohm resistor. What is the rate at which heat energy is produced in the resistor.