

MCQOPTIONS
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1. |
The balance condition of a Wheatstone bridge depends on the _________ |
A. | ratio of arms R<sub>1</sub> and R<sub>1</sub> |
B. | ratio of arms R<sub>3</sub> and R<sub>4</sub> |
C. | emf source and null detector |
D. | current source and power source |
Answer» B. ratio of arms R<sub>3</sub> and R<sub>4</sub> | |