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Consider the situation shown in . The wi...

Consider the situation shown in . The wire PQ has a negligible resistance and is made to slide on the three rails with a constant speed of `5 cm s^(-1)` . Find the current in the `10 Omega` resistor when the switch S is thrown to (a) the middle rail (b) the bottom rail.

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The correct Answer is:
A.).1mA b.).2mA
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RESONANCE ENGLISH-ELECTROMAGNETIC INDUCTION-Exercis-1
  1. A wire bent as a parabola y=ax^(2) is located in a uniformed magnetic ...

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  2. A square frame of wire abcd of side 1 m has a total resistance of 4 Om...

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  3. Consider the situation shown in . The wire PQ has a negligible resist...

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  4. Shows a smooth pair of thick metallic rails connected across a battery...

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  5. Figure shows a wire of resistance R sliding on two parallel, conductin...

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  6. shows a long U shaped wire of width l placed in a perpendicular magne...

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  7. Consider the situation of the previous problem. The force on the centr...

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  8. A wire of mass m and length l can slide freely on a pair of fixed, smo...

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  9. Figure showns a fixed square frame of wire having a total resistance r...

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  10. The magnetic field in a region is given by vecB=B(0)/Lxhatk where L is...

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  11. A straight wire with a resistance of r per unit length is bent to form...

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  12. A metal rod of length 15xx10^(-2)m rotates about an axis passing throu...

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  13. In the figure there are two identical conducting rods each of length a...

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  14. A bicycle is resting on its stand in the east-west direction and the r...

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  15. A simple pendulum with a bob of mass m and a conducting wire of length...

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  16. A conducting disc of radius R is rolling without sliding on a horizont...

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  17. A closed coil having 100 turns is rotated in a uniform magnetic field ...

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  18. A circular loop of radius 1m is placed in a varying magnetic field giv...

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  19. The current in an ideal, long solenoid is varied at a uniform rate of...

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  20. A magnetic field induction is changing in magnitude at a constant rate...

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