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A magnet is dropped down an infinitely l...

A magnet is dropped down an infinitely long vertical copper tube

A

The magnet moves with continuously increasing velocity and ultimately acquires a constant terminal velocity

B

The magnet moves with continuously decreasing velocity and ultimately comes to rest

C

The magnet moves with continuously increasing velocity but constant acceleration

D

The magnet moves with continuously increasing velocity and acceleration

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The correct Answer is:
A
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ERRORLESS -ELECTRO MAGNETIC INDUCTION-SET
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  4. A square coil ABCD lying in x-y plane with its centre at origin. A lon...

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  5. A short magnet is allowed to fall from rest along the axis of a horizo...

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  9. In which of the following circuits is the current maximum just after t...

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  10. A small coil is introduced between the poles of an electromagnet so th...

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  11. Two circular coils A and B are facing each other as shown in figure. T...

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  12. A conductuing loop having a capacitor is moving outward from the magne...

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  13. A straight wire of length L is bent into a semicircle. It is moved in ...

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  14. If in a coil rate of change of area is (5meter^(2))/(milli second)and ...

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  15. In series with 20 ohm resitor a 5 henry inductor is placed. To the com...

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  16. Two circular coils P & Q are coaxially & carry currents I1 and I2 resp...

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  17. The phase difference between the flux linkage and the induced e.m.f. i...

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  18. A pair of parallel conducting rails lie at right angle to a uniform ma...

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