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A: Magnetic needle in compass deflects w...

A: Magnetic needle in compass deflects when it kept near current carrying wire.
R: Current carrying wire produces magnetic field.

A

Both A are R correct,R is not correct explanation of A.

B

A is correct,R is not correct

C

Both A and R are correct,R is correct explanation of A.

D

A is wrong,R is correct

Text Solution

Verified by Experts

The correct Answer is:
C
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VGS PUBLICATION-BRILLIANT-ELECTROMAGNETISM-CREATIVE QUESTION FOR NEW MODEL EXAMINATION (SEC-1)
  1. What is the magnetic force (F) on the straight wire (length L) carryin...

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  2. What is the force on a wire if its length (L ) makes an angle 'theta' ...

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  3. Which rule is used to find out the direction of force on the current ...

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  4. Draw a diagram of field lines due to horse shoe magnet between it pole...

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  5. Draw a diagram of shuffled magnetic field lines when a horse shoe magn...

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  6. What will happens if the direction of current through the coil (which ...

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  7. What is working principle of electric motors?

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  8. Give one application of the principle "Electrical energy is converted ...

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  9. What will happens to metal ring.When DC is used in the above experimen...

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  10. What is EMF?

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  11. What is the reason (or responsible) for the generation of current in t...

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  12. State Faraday's law of electromagnetic induction.

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  13. Which law states that "The induced current will appear in such a direc...

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  14. Which law explained the direction of induced current in a coil?

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  15. Give one application to law of electromagnetic induction.

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  16. In which derive mechanical energy is converted into electrial energy?

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  17. What is meant by AC?

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  18. In which current the direction of change flow reverse periodically?

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  19. How many half slip rings are connected to ends of the coil in DC gener...

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  20. A: Magnetic needle in compass deflects when it kept near current carry...

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