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If the external resistance is equal to t...

If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is 

A

`E//2`

B

E

C

2E

D

zero

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - II
  1. The emf of a daniel cell is 1.08V. When the terminals of the cell are ...

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  2. A primary cell has an e.m.f, of 1.5 V, when short circuited it gives a...

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  3. If the external resistance is equal to the internal resistance of a ce...

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  4. Four cells each of emf 2V and internal resistance 1 ohm are connected ...

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  5. A student is asked to connected four cells of e.m.f of 1 V and interna...

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  6. 12 cells of each e.m.f 2V are connected in series among them, if 3 cel...

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  7. Two cells of emf 1.25V, 0.75V and each of internal resistance 1 ohms a...

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  8. If the identical cells each having an emf of 20 V are connected in Par...

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  9. When a battery connected across a resistor of 16Omega , the voltage ac...

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  10. The cells of emf's E(1) and E(2) be connector in parallel in a circuit...

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  11. A storage battery of emf 0.8 V and internal resistance 0.5 Omega is be...

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  12. A battery is charged at a potential of 15 V for 8 hours when the curre...

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  13. The value of current I, in the figure shown will be

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  14. Find E for the given loop

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  15. The potential difference between points A and B is

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  16. The electric current 'i' in the given circuit is

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  17. Resistances P,Q,R,S of values 2,3,2,4 form a wheat stone bridge the re...

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  18. Four resistors A, and D form a Wheatstone bridge. The bridge is bala...

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  19. In the circuit shown in the figure, the value of Resistance X, when po...

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  20. In the circuit shown, if a conducting wire is connected between points...

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