AIPMT PRELIMS2000Physics-Current Electricity
AIPMT PRELIMS 2000 Physics Batteries MCQ Question
Type: MCQ-numerical-Medium-Class 12
A car battery of emf 12 V and internal resistance 5 × 10⁻² Ω, receives a current of 60 Å from external source, then terminal voltage of battery is :
A
12 V
B
9 V
C
15 V
D
20 V
Correct Answer
Option C
Detailed Explanation
The terminal voltage is given by V = E + Ir, where E is the emf, I is the current, and r is the internal resistance.
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