Home
Class 12
PHYSICS
An electric bulb has the folloiwng speci...

An electric bulb has the folloiwng specifications 100 watt, 220 volt. The resistance of bulb

A

`384 Omega`

B

`484 Omega`

C

`344 Omega`

D

`584 Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
`R = V^(2)/P`
Promotional Banner

Similar Questions

Explore conceptually related problems

A bulb has specification of one kilowatt and 250 volts , the resistance of bulb is

Two identical bulbs of equal power are connected in parallel and they totally consume 110W at 220V . The resistances of each bulb is

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

Two identical bulbs of equal power are connected in parallel and they totally consume 110W at 220V .The resistances of each bulb is

An electric fan and a heater are marked as 100 watt , 220 volt and 1000 watt , 220 volt respectively. The resistance of the heater is

An electric bulb is rated 60 W , 220 V . The resistance of its filament is

A light bulb is rated at 100 W for a 220 V supply. Find (a) the resistance of the bulb. (b) the peak voltage of the source (c ) the rms current through the bulb.

An electric bulb of 100 watt is connected to a supply of electricity of 220 V . Resistance of the filament is

How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb filament is 1200 Omega ?

(a) How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb filament is 1200 Omega ? (b) How much current will an electric heater draw from a 220 V source, if the resistance of the heater coil is 100 Omega ?