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What constitutes current in a metal wire...

What constitutes current in a metal wire ?

A

electrons

B

protons

C

atoms

D

molecules

Text Solution

Verified by Experts

The correct Answer is:
A
electrons
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S CHAND IIT JEE FOUNDATION-ELECTRICITY-QUESTION BANK
  1. The conventional direction of an electric current is

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  2. When few electrons are removed from a neutral body, the body is charge...

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  3. What constitutes current in a metal wire ?

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  4. The commonly used safety fuse wire is made of

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  5. Priyanka connected two different pieces of material and enclosed them ...

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  6. If we touch a naked current carrying wire, we get a shock. This happen...

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  7. Which of the following is the best conductor of electricity ?

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  8. The metal used in storage batteries is

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  9. The filament of an electric bulb is made of

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  10. The handle of every repairing tool is covered by a certain insulating ...

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  11. Overhead cables need not be insu1ated because

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  12. Look at the two electric circuits using materials A and B as shown bel...

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  13. Safety wire, used in electrical circuits, is made of a material having

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  14. The best conductor of electricity is

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  15. Which of the following statements is true?

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  16. Which of the following cells is rechargeable ?

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  17. Tungsten is used for the manufacture of the filament of an electric bu...

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  18. Conversion of chemical energy into electrical energy occurs in

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  19. A current is passed through a vertical spring from whose lower end a w...

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  20. Lightning conductors are made of

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