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Which of the following can produce maxim...

Which of the following can produce maximum induced emf?

A

50 ampere DC

B

50 ampere 50 Hz AC

C

50 ampere 500 Hz AC

D

100 ampere DC

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
  1. A magnet moves inside a coil. Which of the following factors can affec...

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  2. A rectangular loop of wire is placed perpendicualr to a uniform magnet...

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  3. Which of the following can produce maximum induced emf?

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  4. The induced emf produced when a magnet is inserted into a coil does no...

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  5. A cylindrical bar magnet is kept along the axis of a circular coil. If...

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  6. A circular wire loop of radius r is placed in a region of uniform magn...

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  7. When a non magnetic metallic strip is moved away from between the pole...

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  8. A magnet is allowed to fall towards a metal ring. During the fall Its ...

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  9. A coil having 500 square loops each of side 10 cm is placed normal to ...

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  10. The coefficient of mutual induction between two circuits is equal to t...

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  11. The back emf in a DC motor is maximum when,

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  12. If the radius of a coil is changing at the rate of 10^(-2) unit in a n...

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  13. If a coil of 40 turns and area 4.0 cm^(2) is suddenly remove from a m...

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  14. The core of transformer is laminated so that

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  15. Two coil are placed close to each other. The mutual inductance of the ...

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  16. A magnetic flux of 500 microweber passing through a 200 turn coil is r...

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  17. A coil of area 0.1m^(2) has 500 tums. After placing the coil in a magn...

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  18. Two circular coils have their centres at the same point. The mutual in...

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  19. When a battery is connected across a series combination of self induct...

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  20. In a uniform magneitc field of induced B a wire in the form of a semic...

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