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A magnetic flux of 500 microweber passin...

A magnetic flux of 500 microweber passing through a 200 turn coil is reversed in `20xx10^(-3)s`. The average induced emf in the coil (in volt) is

A

2.5

B

`5.0`

C

7.5

D

`10.0`

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The correct Answer is:
D
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AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
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  3. A magnetic flux of 500 microweber passing through a 200 turn coil is r...

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  4. A coil of area 0.1m^(2) has 500 tums. After placing the coil in a magn...

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  5. Two circular coils have their centres at the same point. The mutual in...

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  6. When a battery is connected across a series combination of self induct...

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

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

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  9. A copper disc of radius 0.1 m is roated about its centre with 20 revol...

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  10. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

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  11. The equivalent quantity of mass in electricity is

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  12. Dimensional formula of self-inductance is

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  13. A time varying magnetic flux passing through a coil is given by phi=xt...

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  14. A metalic ring is dropped down, keeping its plane perpendicular to a c...

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  15. Lights of a car become dim when the starter is opereterd. Why?

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  16. Coefficient of coupling between two coils of self-inductances L(1) and...

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  17. There is a uniform magnetic field directed perpendicular and into the ...

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  18. A square loop of wire with side length 10 cm is placed at angle of 45^...

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  19. A uniformly wound solenoid coil of self inductance 1.8xx10^(-4)H and r...

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  20. The magnitude opf the earth's magnetic field at a place is B(0) and th...

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