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Choose the correct statement...

Choose the correct statement 

A

The difference of potential between the terminals of a cell in closed circuit is called emf of the cell

B

electromotive force and accelerating force have the same dimensions

C

The internal resistance of an ideal cell is infinity

D

The difference between the emf of a cell and potential difference across the ends of the cell is called 'lost volt'

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. The electric power transferred by a cell to an external resistance is ...

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  2. When electric bulbs of same power, but different marked voltage are co...

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  3. Choose the correct statement

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  4. For a cell which charging in a circuit

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  5. The dimensional formula of the emf of a source of current are same as ...

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  6. Internal resistance of a cell depends on

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  7. When cells are arranged in series

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  8. To supply maximum current, cells should be arrange in

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  9. The terminal Pd of a cell is equal to its emf if

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  10. Back emf of a cell is due to

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  11. When an electric cell drives current through load resistance, its Back...

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  12. Which depolarizers are used to neutralizes hydrogen layer in cells

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  13. Two batteries of emfs epsilon(1) and epsilon(2) (epsilon(2) gt epsilon...

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  14. A battery consists of a variable number n of identical cells having in...

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  15. A cell of emf E has an internal resistance r & is connected to rheosta...

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  16. n identical cells, each of emf epsilon and iternal resistance r, are j...

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

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

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

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

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