Download the app

Questions  

The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 Ω is : 

a
1.0 Ω
b
0.2 Ω
c
0.5 Ω
d
0.8 Ω

detailed solution

Correct option is C

I=Er+R ⇒0.2=2.1r+10 ⇒r=0.5Ω

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

An energy source will supply a constant current into the load if its internal resistance is


phone icon
whats app icon