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As shown in the figure, the key K is clo...

As shown in the figure, the key K is closed, the direction of the induced current in the coil B will be -


A. clockwise and instantaneous
B. anti-clockwise and instantaneous
C. clockwise and continuous
D. anti-clockwise and continuous

A

clockwise and instantaneous

B

anti-clockwise and instantaneous

C

clockwise and continuous

D

anti-clockwise and continuous

Text Solution

Verified by Experts

The correct Answer is:
B
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RESONANCE ENGLISH-ELECTROMAGNETIC INDUCTION-Exercise
  1. As shown in the figure, the key K is closed, the direction of the indu...

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  2. A copper ring is tied to a string and suspended vertically. On bringin...

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  3. The graph between the current and the time for an inductance coil is s...

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

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  5. A small square loop of wire of side l is placed inside a large square ...

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  6. A metallic square loop ABCD is moving in its own plane with velocity v...

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  7. P and Q are two circular thin coils of some radius and subjected to th...

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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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  13. The unit of mutual inductance is-

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  14. In a step-down transformer input voltage is 200 volts and output volta...

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  15. Lenz's law is due to conservation of

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  16. On passing a current of 2A in a coil inductance 5H, the energy stored ...

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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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  20. The self-inductance of a coil is 2H. The current in the coil changes f...

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