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A copper ring is tied to a string and su...

A copper ring is tied to a string and suspended vertically. On bringing a magnet towards the coil, as shown in the figure-


A. the ring will move away from magnet
B. the ring will move toward the magnet
C. the ring will remain stationary
D. none of these

A

the ring will move away from magnet

B

the ring will move towards the magnet

C

the ring will remain stationary

D

none of these

Text Solution

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The correct Answer is:
A
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RESONANCE ENGLISH-ELECTROMAGNETIC INDUCTION-Exercise
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  2. A copper ring is tied to a string and suspended vertically. On bringin...

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  4. A metallic rod completes its circuit as shown in the figure. The circu...

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  8. Three identical circular coils A, B and C are placed coaxial (with pla...

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  9. Two plane circular coils P and Q have radii r(1) and r(2), respectivel...

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  10. A conducting rod PQ of length l = 2m is moving at a speed of 2m s^(-1)...

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  11. The horizontal component of earth's magnetic field is 3xx10^(-5) Wb//m...

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  12. The north pole of a magnet is brought near a metallic ring as shown in...

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  15. Lenz's law is due to conservation of

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  17. A metal rod of length L is placed normal to a magnetic field and rotat...

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  18. The spokes of a wheel are made of metal and their lengths are of one m...

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  19. When the primary current in the spark-coil of a car changes from 4A to...

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