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When a battery is connected across a ser...

When a battery is connected across a series combination of self inductance L and resistance R , the variation in the current i with time t is best represented by

A

B

C

D

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A
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AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
  1. A coil of area 0.1m^(2) has 500 tums. After placing the coil in a magn...

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

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

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

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

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

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

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  8. The equivalent quantity of mass in electricity is

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  9. Dimensional formula of self-inductance is

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

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

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

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

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

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

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

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

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  18. Two parallel rails of a railway track insulated from each other and wi...

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  19. Answer the following questions : (a) When a low flying aircraft pass...

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  20. Electric field induced by changing magnetic fields are

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