Home
Class 12
PHYSICS
A bulb rated 60 W-120 V is connected to ...

A bulb rated 60 W-120 V is connected to 80 V mains. What is the current through the bulb

A

`1/3` A

B

`2/3` A

C

`5/3` A

D

`3/5` A

Text Solution

Verified by Experts

The correct Answer is:
A
`R =V^(+2)/P.` and `I =V/R`
Promotional Banner

Similar Questions

Explore conceptually related problems

Two bulbs of 100 W and 40 W are connected in series. The current through the 100 W bulb is 1 A. the current through the 40 W bulb will be:

Two bulbs of 100 W and 40 W are connected in series. The current through the 100 W bulb is 1 A. The current through the 40 W bulb will be:

An electric bulb marked as 50 W-200 V is connected across a 100 V supply. The present power of the bulb is

A bulb rated at (100 W – 200 V ) is used on a 100 V line. The current in the bulb is

An electric bulb is rated at 110 W 220 V supply . Find the r.m.s curret flowing through the bulb.

A bulb of resistance 400 Omega is connected to 220 V mains. Calculate the magnitude of current.

A bulb rated 60 W at 220 V is connected across a household supply of alternating voltage of 220 V . Calculate the maximum instantaneous current through the filament.