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A fuse wire melts at 5A. If it is desire...

A fuse wire melts at 5A. If it is desired that the fuse wire of the same material melt at 10A, then should the new fuse wire be of smaller or larger radius than the earlier one? Give reasons for your answer.

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. A fuse wire melts at 5A. If it is desired that the fuse wire of the sa...

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  2. Define electric current and give its unit

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  3. Define one volt?

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  4. Define electric current and give its unit

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  5. Define one ampere?

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  6. What is a electric circuit?

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  7. What is the difference between a voltmeter and an ammeter?

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  8. 2 ampere of current is flowing through a wire.What is the amount of ch...

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  9. Find thr electric potential of a point if 2J of work is done in bringi...

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  10. Find the potential difference between two points if 5J of works is don...

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  11. How many electrons should be removed from a condutor so that it acquir...

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  12. An electric bulb draws a current of 0.5A for 10 minutes .Calculate the...

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  13. Draw the following electrical symbols: Battery

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  14. Draw the following electrical symbols: plug key(closed)

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  15. Draw the following electrical symbols: variable resistance

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  16. Draw the following electrical symbols: Electric bulb?

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  17. Write ohm's law. Draw a circuit diagram to prove it experimentally in ...

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  18. On what factors does resistance depends?Explain.

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  19. For three resistors connected in parallel,prove that the equivalent re...

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  20. Find the equivalent resistance of three resistors of 2Ohm,3Ohm,4Ohmwhe...

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  21. Find the equivalent resistance of three resistors of 2Ohm,3Ohm,4Ohmwhe...

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