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If the length of a given conducting wire...

If the length of a given conducting wire is kept constant and its diameter is doubled, what will be the resistance of the new wire?

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KUMAR PRAKASHAN-ELECTRICITY-ADDITIONAL QUESTION AND ANSWERS (Solve the following examples:)
  1. 5 V electric potential difference is applied between two ends of a con...

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  2. Two copper wires A and B have the same mass. The resistance of wire A ...

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  3. If the length of a given conducting wire is kept constant and its diam...

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  4. Two resistors of 1 kOmega and 200Omega are connected in series with a ...

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  5. For the circuit shown in figure given below, calculate (a) the total r...

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  6. Two 60W bulbs are used for 4hours everyday and five 100W bulbs are use...

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  7. 24W power is consumed by a bulb when it is connected with 12V battery....

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  8. Find the equivalent resistance of the circuit shown in the following f...

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  9. In the following circuit A, B and C are three ammeters. 0.5A current i...

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  10. In the following circuit A, B and C are three ammeters. 0.5A current i...

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  11. If an electric bulb gives light for 1hour while carrying 0.5A current,...

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  12. An electric current of 64mA flows through a bulb for 10minutes. How ma...

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  13. In order to get a current of 0.5A in a circuit by connecting a bulb of...

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  14. Three resistors are connected in parallel with a 30V battery. A curren...

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  15. For the circuit shown in the following figure, determine the eqUivale...

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  16. Determine the equivalent resistance between point A and B in the follo...

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  17. In a house, if three bulbs of lOOW, 60W and 40W respectively are used ...

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  18. Find the electric current in the following circuit:

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  19. Determine the equivalent resistance between points X and Y in the foll...

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  20. An electric heater consumes 4.4 kW power when connected with a 220V li...

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