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In a potentiometer experiment balancing ...

In a potentiometer experiment balancing for the first cell and second cell are 2.5 m and 2 m, respectively, when cells are used separately. Hence, `E_1/E_2` is

A

0.8

B

1

C

1.1

D

1.25

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CHETANA PUBLICATION-Current Electricity-Exercise
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  2. The formula for internal resistance of a cell

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  3. In a potentiometer experiment balancing for the first cell and second ...

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  4. Which of the following is S.I. unit of potential gradient?

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  5. Length of potentiometer wire is 600 cm and a driving cell develop 6V p...

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  6. The potential difference VC-VD between the points D and C in the follo...

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  7. Two unknown resistrance X and Y are connected to left and right gaps o...

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  8. In a balanced Wheatstone's bridge, if the position of the galvanometer...

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  9. A battery having e.m.f. 5V and internal resistance 0.5 is connected wi...

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  10. A cell supplies a current 1.2A through a resistor 2 Omega. The same ce...

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  11. A voltmeter having a resistance of 50 Omega is connected across a cell...

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  12. The length and cross-section of the wire of meter bridge are

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  13. The balance point is obtained at 40 cm from left end in meter bridge. ...

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  14. Kelvin's method of determination of resistance of galvanometer

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  15. Accuracy of potentiometer can be easily increased by

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  16. A potential difference 3V is applied across a potentiometer wire of le...

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  17. A cell of internal resistance "r" is connected to an external resistan...

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  18. A Wheatstone's bridge ABCD is balanced with a galvanometer between the...

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  19. Kirchhoffs voltage law and current law are respectively in accordance ...

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  20. A skeleton cube is made of 12 wires, each of resistance R. The resista...

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