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What is a potentiometer?...

What is a potentiometer?

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Explore conceptually related problems

What is the advantage of using thick metallic strips to join wires in a potentiometer?

Why is potentiometer preferred over a voltmeter for measuring emf? or explain. Potentiometer acts as an ideal voltmeter .

When a balance point is obtained in a potentiometer for finding the internal resistance of a cell, the current through the potentiometer wire is due to

Sensitivity of a particular potentiometer can be increased by

State the disadvantages of potentiometer over voltmeter.

State the advantages of potentiometer over voltmeter.

State any two advantages of potentiometer over voltmeter.

Which of the following can cause the null point of a potentiometer to shift beyond the wire ?

Explain the use of potentiometer for determining he internal resistance of cell.

Two cells of emf's approximately 5 V and 10 V are to be accurately compared using a potentiometer of length 400 cm .

CHETANA PUBLICATION-Current Electricity-Exercise
  1. What is a potentiometer?

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  2. (1)In the following circuit, calculate the value of the current (I).

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  3. In an electric circuit, the currents 2A, 1.5A and 3A flow towards the ...

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  4. A resistance of 2Omega is connected in parallel to a galvanometer of r...

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  5. A galvanometer has a resistance of 16Omega. It shows full scale deflec...

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  6. A moving coil galvanometer has a resistance of 25Omega and goes a full...

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  7. The combined resistance of a galvanometer of resistance 500Omega and i...

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  8. A potentiometer wire has a resistance per unit length of 0.1 Omega//m....

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  9. Resistance of potentiometer wire is 0.1Omega//cm. A cell of emf 1.5V i...

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  10. In a balanced meterbridge, the segment of wire opposite to 20Omega is ...

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  11. A uniform wire is cut into two pieces such that on piece is twice as l...

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  12. Two coils are connected in series in one gap of the meterbridge and nu...

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  13. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

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  14. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

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  15. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

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  16. A galvanometer has resistance of 25 Omega capacity to carry a maximum ...

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  17. At what point the null point be obtained in meterbridge experiment whe...

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  18. The potentiometer wire has length 10m and resistance 10Omega, if the c...

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  19. The potentiometer wire has length 10m and resistance 10Omega, if the c...

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  20. When a resister of 10Omega is connected across a cell, its terminal po...

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  21. Two cells having unknown emfs E1 and E2 (E1 > E2) are connected in pot...

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