A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm.
A standard cell of emf 1.18 V obtains balances at 600 mm.
A test cell is seen to obtain balance at 680 mm.
The emf of test cell is
A. 1 V.
B. 1.34 V.
C. 1.5 V.
D. 1.7 V.
Show Answer
Answer: B
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