Question

12. A 12 V car battery has an internal
resistance of 0.2 ohm. What P.D. must be
applied across its terminals by a battery
charger in order that the charging current
be 5 A?
(A) 13 V
(B) 12 V
(C) 11.4 V
(D) 10.6 V​

Answer 1

ur options are probably wrong

given that I = 5 A

and R = 0.2

so P. D should be I X R = 5 X 0.2 = 1 V