A potentiometer wire is 100 cm long and a constant potential diff… - Vidyadip

MCQ

A potentiometer wire is $100 cm$ long and a constant potential difference is maintained across it. Two cells are connected in series, first to support one another and then in opposite direction. The balance points are obtained at $50 cm$ and $10 cm$ from the positive end of the wire in the two cases. The ratio of emfs is

A
$5: 4$
B
$3: 4$
✓
$3: 2$
D
$5: 1$

✓

Answer

Correct option: C.

$3: 2$

$3: 2$

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