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Find direction of induced current for th...

Find direction of induced current for the given cases
(Where w.r.t.=With respect to time, ob =observer)

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MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-4| Section B (Prevous Years Problems )
  1. Find direction of induced current for the given cases (Where w.r.t....

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  2. When a rectangular loop out from uniform magetic field . The induced c...

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  3. Resultant inductance of the circuit will be

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  4. In a transformer, number of turns in the primary coil are 140 and that...

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  5. The core of any transformer is laminated so as to

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  6. Two coil are placed close to each other. The mutual inductance of the ...

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  7. When the current changes from +2 A to –2A in 0.05 second, an e.m.f. of...

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  8. A coil having n turns and resistance R Omega is connected with a galva...

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  9. In a uniform magneitc field of induced B a wire in the form of a semic...

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  10. A metal conductor of length 1m rotates vertically about one of its end...

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  11. A coil of inductance 300mh and resistance 2Omega is connected to a sou...

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  12. One conducting U tube can slide inside another as shown in figure, mai...

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  13. The flux linked with a coil at any instant 't' is given by phi = 10t^(...

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  14. In an AC generator, a coil with N turns, all of the same area A and to...

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  15. An inductor (L = 100 mH), a resistor (R = 100Omega) and a battery (E =...

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  16. An ideal coil of 10H is connected in series with a resistance of 5(Ome...

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  17. Two coaxial solenoids are made by winding thin insulated wire over a p...

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  18. An inductor of inductance L=400mH and resistors of resistances R(1)=2 ...

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  19. In the circuit shown below, the key K is closed at t =0. The current t...

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  20. A rectangular loop has a sliding connector PQ of length l and resistan...

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  21. A fully charged capacitor C with initial charge q(0) is connected to a...

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