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If an electric current is passed through...

If an electric current is passed through the nerve, the man

A

is excited

B

begins to weep

C

begins to laugh

D

becomes insensitive to pain

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The correct Answer is:
A
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NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions
  1. The electric current is a

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  2. If an electron has an initial velocity in a direction different from t...

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  3. If an electric current is passed through the nerve, the man

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  4. In vacuum tubes, the flow of electricity is due to the electrons comi...

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  5. S.I. unit of current is :-

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  6. If the electronic charge is 1.6xx10^(-19)C, then the number of electr...

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  7. A conductor carries a current of 300 mA. The number of electrons passi...

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  8. A flow of 10^(7) electrons per second in a conducting wire constitutes...

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  9. In a region 10^(19) prop-particles and 10^(19) protons move to the lef...

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  10. An electron of charge 'e' is revolving in a circular orbit of radius r...

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  11. An electorn moves in a circle of radius 10cm with a constant speed of ...

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  12. In 10 minutes, 3000 coulomb of free electrons enter one end of a condu...

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  13. A steady current is passing through a linear conductor of non-uniform ...

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  14. An electron carrying a charge of 1.6xx10^(-19)C revolves in a circle a...

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  15. Are the paths of free electrons straight lines between successive coll...

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  16. A large number of free electrons are present in metals. Why is there n...

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  17. The average velocity of electrons in a conductor in the absence of ele...

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  18. The direction of conventional current flowing through a metal due to a...

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  19. A charge of magnitude q flows through the conductor in time 't' . The ...

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  20. The velocity with which a free electron in a conductor gets drifted un...

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