Question

internal resistance of a cell of emf 2V is 0.1 it is connected to resistance of 0.9. voltage across cell will be
​

Answer 1

Answer:

Explanation:

E =2V

r=0.1 ohm

R=3.9 ohm

E=I(r+R)

2=I(0.1+3.9)

2=I×4

I=2/4=0.5A

voltage across cell

V=IR

=0.5×3.9

=1.95V