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A silver voltameter of resistance  and a  resistor are connected in series across a cell. If a resistance of  is connected in parallel with the voltameter, then the rate of deposition of silver

a)

Decreases by 25%

b)

Increases by 25%

c)

Increases by 37.5%

d)

Decreases by 37.5%


Question ID - 150309 | Top Ranker Answer | SaraNextGen

A silver voltameter of resistance  and a  resistor are connected in series across a cell. If a resistance of  is connected in parallel with the voltameter, then the rate of deposition of silver

a)

Decreases by 25%

b)

Increases by 25%

c)

Increases by 37.5%

d)

Decreases by 37.5%

1 Answer - 5876 Votes

3537

Answer Key : (d) -

(d)

Initially current through the voltmeter

Finally main current

Hence current through voltameter

 Rate of deposition

 % drop in rate



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