AIPMT PRELIMS2001Physics-Electricity
AIPMT PRELIMS 2001 Physics Wheatstone Bridge MCQ Question
Type: MCQ-numerical-Medium-Class 12
The resistance of each arm of the wheat stone bridge is 10 Ω. A resistance of 10 Ω is connected in series with galvanometer then the equivalent resistance across the battery will be :-
A
10 Ω
B
15 Ω
C
20 Ω
D
40 Ω
Correct Answer
Option A
Detailed Explanation
The equivalent resistance of a balanced Wheatstone bridge is the resistance of one arm, plus the series resistance.
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