Home
Class 12
PHYSICS
(a) For a given a.c., i = i(m) sin wt, s...

(a) For a given a.c., `i = i_(m)` sin wt, show that the average power dissipated in a resistor R over a complete cycle is `(1)/(2) i._(m)^(2) R`.
(b) A light bulb is rated at 100 W for a 220 V a.c. supply. Calculate the resistance of the bulb.

Promotional Banner

Similar Questions

Explore conceptually related problems

A light bulb is rated at 100 W for a 220V ac supply. Calculate the resistance of the bulb.

A light bulb is rated at 100W for a 220V ac supply. Calculate the resistance of the bulb.

A light bulb is rated 100 W for 220 V ac supply of 50 Hz. Calculate the resistance of the bulb ,

A light bulb is rated at 100 W for a 220 V a.c. supply. Find the resistance of the bulb.

a light bulb is rated 100W for 220V a.c. supply of 50Hz .calculate the resistance of the bulb.

For a given a.c., I = I_0 sin omegat , show that the average power dissipated in a resistor R over a complete cycle is 1/2 I_0^2R .

For a given ac i=i_msinomegat , show that the average power dissipated in a resistor R over complete cycle is 1/2i_m^2R .

A light bulb is rated at 100 W for a 220 V ac supply . The resistance of the bulb is