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**In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series and in conjunction and the balancing length is found to be 58 cm of the wire. If the polarity of E₂ is reversed, then the balancing length becomes 29 cm. The ratio of e.m.f. of the two cells E₁/E₂ is **

### Options

(a) (1:1)

(b) (2:1)

(c) (3:1)

(d) (4:1)

### Correct Answer:

(3:1)

### Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Current Electricity
(136)

Subject: Physics
(2479)

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