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For the determination of emf E and inter...

For the determination of emf E and internal resistance 'r' of a cell , the graph is obtained between potential difference V between the terminal of the cell against the current l, which was changed by adjusting the rheostat, is as shown . The internal resistance of the cell is

A

x

B

y

C

`(y )/( x )`

D

`( x)/(y)`

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-CURRENT ELECTRICITY-ASSIGNMENT SECTION-B(OBJECTIVE TYPE QUESTION ))
  1. The current drawn by the battery in the situation shown in figure is

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  2. The equivalnent resistance between A and B n the situdation shown is

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  3. In the situation shown , the readings of ideal ammeters A(1) and A(2)...

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  4. In the situation shown, the current in arm PQ will be

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  5. Seven identical cells each of e.m.f. E and internal resistance r are c...

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  6. In the situation shown, resistance R(1),R(2) and R(3) are in the ratio...

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  7. In the situation shown in figure , an ideal ammeter is connected acros...

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  8. Two cells when connected in series are balanced on 6 m on a potentiome...

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  9. The resistance between the terminal point P and Q of the given infini...

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  10. Half part of a wire of resistance R is stretched to make it 1% longer ...

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  11. The effective resistance between A and B in the network shown is

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  12. In the circuit shown, the potential differences, V(1) ( between A and ...

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  13. A wire of length l and area A is connected to an ideal battery . The d...

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  14. A resistor R(1) dissipates the power P when connected to a certain gen...

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  15. In the circuit shown, the current I will be zero when R is

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  16. The given circuit is the part of a certain circuit. The current throug...

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  17. For the determination of emf E and internal resistance 'r' of a cell ,...

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  18. The current flowing through the cell in the circuit shown is

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  19. What is the resistance of voltmeter shown in the circuit ?

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  20. In the potentiometer circuit shown the galvanometer shows no deflectio...

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