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State laws of electromagnetic induction....

State laws of electromagnetic induction. A rectangular loop of N turns of length 'a' and width 'b' is rotated with an angular velocity `omega` in a uniform magnetic field of induction B. Show that induced e.m.f. is given by `e = omega N b a B sin omegat`

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MODERN PUBLICATION-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. Explain principal,construction and working of D.C.generator.

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  2. Explain with the help of labelled diagram, the construction, working a...

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  3. State laws of electromagnetic induction. A rectangular loop of N turns...

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  4. The magnetic flux through a coil perpendicular to its plane is varying...

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  5. A small piece of metal wire is dragged across the gap between the pole...

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  6. A magnetic field of flux density 1.0 Wbm^-2 acts normal to a 80 turns ...

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  7. A magnetic field of flux density 10 T acts normal to a coil of 50 turn...

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  8. Find the magnitude of e.m.f. induced in a 200 turn coil with cross-sec...

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  9. A rectangular coil having 200 turns and size 0.30 xx 0.05 m^2 is place...

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  10. Find the e.m.f. induced in a coil of 20 turns and cross-sectional area...

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  11. A wire 88cm long bent into a circular loop is placed perpendicular to ...

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  12. A square copper coil of each side 8 cm consists of 100 turns. The coil...

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  13. A conducting rod of 1 m length is rotated with a frequency of 50 rev/s...

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  14. A copper disc of radius 10 cm placed with its plane normal to a unifor...

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  15. A copper rod of length 2 m fixed at one end is rotating with an angula...

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  16. A metal disc of radius 200 cm is rotated at a constant angular speed o...

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  17. A metallic rod of length l is rotated at a constant angular speed omeg...

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  18. A wheel with 8 matallic spokes each 50 cm long is rotated with a speed...

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  19. If a 10 m long metallic bar moves in a direction at right angle to the...

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  20. A wire of length 0.1 m moves with a speed of 10 m s^-1 perpendicular t...

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