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Fuse wire is a wire of...

Fuse wire is a wire of 

A

low melting point and low value of `alpha`

B

high melting point and high value of `alpha`

C

high melting point and low value of `alpha`

D

low melting point and high value of `alpha`

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. Arrange the following materials in the increasing order of their resis...

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  2. Specific resistance of a wire depends upon

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  3. Fuse wire is a wire of

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  4. Which of following causes production of heat, when current is set up i...

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  5. A constant voltage is applied between the two ends of a metallic wire....

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  6. According to Joule's law, if the potential difference across a conduct...

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  7. A resistor R(1) dissipates the power P when connected to a certain gen...

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  8. Appliances based on heating effect of current work on

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  9. The electric power transferred by a cell to an external resistance is ...

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

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  11. Choose the correct statement

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  12. For a cell which charging in a circuit

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

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  14. Internal resistance of a cell depends on

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  15. When cells are arranged in series

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

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

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  18. Back emf of a cell is due to

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

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

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