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A cell of emf E having an internal resis...

A cell of emf E having an internal resistance r is connected to an external resistance R. The potential difference V across the resistance R varies with R as shown in figure by the curve: R

A

A

B

B

C

C

D

D

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The correct Answer is:
B
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. n identical cells, each of emf epsilon and iternal resistance r, are j...

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  2. n identical cells, cach of emf epsilon and internal resistance r, are ...

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  3. A cell of emf E having an internal resistance r is connected to an ext...

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  4. Kirchhoff's law of junctions (first law), Kirchhoff's law of meshes (s...

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  5. In a balanced Wheatstone's network, the resistances in the arms Q and ...

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  6. If galvanometer and battery are interchanged in balanced Wheatstone br...

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  7. Wheatstone bridge can be used

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  8. In a Wheatstone's bridge three resistances P,Q,R connected in three ar...

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  9. Wheatstone bridge is most sensitive when the arms ratio is

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  10. In metre bridge experiment, the known and unknown resistances in the t...

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  11. In a metre bridge, metal wire is connected in the left gap, standard r...

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  12. Metal wire is connected in the left gap, semi conductor is connected i...

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  13. Metal wire is connected in the left gap, Germanium connected in the ri...

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  14. A series high resistance is preferable than shunt resistance in the ga...

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  15. The sensitivity of potentiometer wire can be increased by

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  16. A cell of emf 'E' and internal resistance r connected in the secondary...

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  17. Potentiometer is an ideal instrument, because

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  18. On increasing the resistance of the primary circuit of potentiometer, ...

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  19. If the value of potential gradient on potentiometer wire is decreased,...

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  20. A cell of negligible internal resistance is connected to a potentiomet...

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