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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, then the variation in the current `i` with time t is best represented by

A

B

C

D

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AAKASH INSTITUTE ENGLISH-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. The variation of induced emf (epsilon ) with time (t) in a coil if a s...

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  5. In a uniform magnetic field B a wire in the form of a semicircle of ra...

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  6. A metal conductor of length 1 m rotates vertically about one of its en...

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  7. A copper disc of the radius 0.1 m is rotated about its centre with 20 ...

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  8. Two coils of self-inductance 2 mH and 8 mH are placed, so close togeth...

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  9. As a result of change in the magnetic flux linked to the closed loop s...

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

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  11. The equivalent quantity of mass in electricity is

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  12. In the circuit shown in figure, power generated in

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  13. Dimensional formula of self-inductance is

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

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  15. A metallic ring is dropped down, keeping its plane perpendicular to a ...

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  16. Lights of a car become dim when the starter is operated. Why?

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

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  18. There is uniform magnetic field directed perpendicular and into the pl...

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

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  20. Near a circular loop of conducing wires as shown, an electron moves al...

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