Question
Physics Question on Current electricity
A car battery of emf 12V and internal resistance 5×10–2Ω,receives a current of 60Å from external source,then terminal voltage of battery is:
A
12V
B
9V
C
15V
D
20V
Answer
15V
Explanation
Solution
V=E+IR
=12+60×5×10-2
=12+3
=15V