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A loop of Irregular shape made of flexib...

A loop of Irregular shape made of flexible conducting wire carrying clockwise current is placed in uniform inward magnetic field, such that its plane is perpendicular to the field. Then the loop

A

Experiences force

B

Develops induced current for a short time

C

Changes to circular loop

D

All of these

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)
  1. The physical quantity, which is conserved on the basis of Lenz's Law i...

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  2. A metallic ring with a small cut is held horizontally and a magnet is ...

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  3. A loop of Irregular shape made of flexible conducting wire carrying cl...

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  4. A copper rod of length l is rotated about one end perpendicular to the...

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  5. A coil of cross-sectional area A having n turns is placed in uniform m...

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  6. A flat coil of 500 turns each of area 50 cm^(2) rotates in a uniform m...

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  7. Eddy currents are produced when

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  8. A motor starter

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  9. A simple electric motor has an armature resistance of 1Omega and runs ...

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  10. Which of the following is possible application of an RC circuit?

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  11. The current passing through a choke coil of self inductance 5 H is dec...

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  12. When the number of turns in a coil is doubled without any change in th...

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  13. A coil of resistance 10Omega and an inductance 5H is connected to a 10...

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  14. Obtain the expression for the magnetic energy stored in a solenoid in ...

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  15. An inductor is connected to a direct voltage source through a switch. ...

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  16. A long solenoid has self inductance. L. If its length is doubled keepi...

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  17. If L and R denote inductance and resistance respectively, then the dim...

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  18. A solenoid of 2000 turns is wound over a length of 0.3 m. The area aof...

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  19. With the decrease of current in the primary coil from 2 amperes to zer...

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  20. Two coaxial coils are very close to each other and their mutual induct...

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