Home
Class 12
PHYSICS
Why an electric bulb becomes dim when an...

Why an electric bulb becomes dim when an electic heater in parallel circuit is switched on ? Why dimness decreases after some time ?

A

I and II both are correct

B

I is correct and II Is Incorrect

C

I is incorrect and II Is correct

D

I and II both are Incorrect

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Why an electric bulb becomes dim when an electric heater in parallel circuit is switched on? Why dimness decreases after some time?

Assertion : An electric bulb becomes dim, when an electric heater in parallel circuit is switched on. Reason : Dimness decreases after sometime.

Why a cell stops working after some time ?

Why do silver articles become black after some time ?

Why is it impracticable to connect an electric bulb and an electric heater in series ?

Lights of a car become dim when the starter is opereterd. Why?

Chlorine water turns blue litmus red but solution becomes colourless after some time. Why?

Heat is generated continuously in an electric heater, but its temperature becomes constant after some time. Why?

The two electric bulbs of same power are connected in parallel circuit. If one bulb is glowing and then another bulb is switched on, then brightness of the first bulb increases, decreases or remians unchanged. Expalin.