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What is an electric fuse? How does it fu...

What is an electric fuse? How does it function?

A

chemical effect of current

B

magnetic effect of current

C

lighting effect of current

D

heating effect of current

Text Solution

Verified by Experts

The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. The heat produced by passing an electric current through a fixed resis...

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  2. The current passing through an electric kettle has been doubled. The h...

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  3. What is an electric fuse? How does it function?

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  4. The elements of electrical heating devices are usually made of:

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  5. The heat produced in a wire of resistance 'x' when a current 'y' flows...

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  6. Which of the following characteristic is not suitable for a fuse wire?

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  7. In a filament type light bulb, most of the electric power consumed app...

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  8. Which of the following is the most likely temperature of the filament ...

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  9. If the current flowing through a fixed resistor is halved, the heat pr...

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  10. The electrical resistivities of four materials P,Q,R and S are given b...

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  11. (a) How does the wire in the filament of a light bulb behave different...

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  12. Two exactly similar heating resistances are connected (i) in series, a...

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  13. Which electric heating devices in your home do you think have resistor...

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  14. What does an electric circuit mean ?

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  15. Define the unit of current.

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  16. Calculate the number of electrons consituting one coulomb of charge.

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  17. Name a device that helps to maintain a potential difference across a c...

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  18. What is meant by saying that the potential difference between two poin...

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  19. How much energy is given to each coulomb of charge passing through a 6...

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  20. On what factors does the resistance of a conductor depend ?

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