AIPMT PRELIMS2003Physics-Electricity
AIPMT PRELIMS 2003 Physics Wheatstone Bridge MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In a Wheatstone's bridge all the four arms have equal resistance R. If the resistance of the galvanometer arm is also R, the equivalent resistance of the combination as seen by the battery is :
A
R/4
B
R/2
C
R
D
2R
Correct Answer
Option C
Detailed Explanation
In a balanced Wheatstone bridge with equal resistances, the equivalent resistance is half of one arm's resistance.
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