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A 5^(0)C rise in the temperature is obse...

A `5^(0)C` rise in the temperature is observed in a conductor by passing some current. When the current is doubled, then rise in temperature will be equal to

A

`5^(@)C`

B

`10^(@)C`

C

`20^(@)C`

D

`40^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - II
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  2. What is the ratio of heat generated in R and 2R

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  3. A 5^(0)C rise in the temperature is observed in a conductor by passing...

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  4. For ensuring dissipation of same energy in all three resistors (R(1), ...

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  5. The intemal resistance of a 2.1 V cell which gives a current of 0.2 A ...

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  6. The emf of a daniel cell is 1.08V. When the terminals of the cell are ...

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

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

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

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

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  11. 12 cells of each e.m.f 2V are connected in series among them, if 3 cel...

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

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

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

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

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

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

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

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  19. Find E for the given loop

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  20. The potential difference between points A and B is

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