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Eamcet Physics
2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity

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In a potentiometer of ten wires, the balance point is obtained on the sixth wire. To shift the balance point to eighth wire, we should

A. increase resistance in the primary circuit

B. decrease resistance in the primary circuit

C. decrease resistance in series with the cell whose e.m.f. has to be measured

D. increase resistance in series with the cell whose e.m.f has to be measured

E. None of the above

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Correct choice: A

Explanation:

None

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Eamcet Physics 2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity

Eamcet Physics
2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity