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The variation of induced emf (E) with ti...

The variation of induced emf `(E)` with time `(t)` in a coil if a short bar magnet is moved along its axis with a constant velocity is best represent as

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B

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DC PANDEY ENGLISH-ALTERNATING CURRENT-JEE MAIN
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  2. The dimensions of magnetic flux are

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  3. Two inductors L(1) and L(2) are connected in parallel and a time varyi...

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  4. A resistance is connected to a n AC source. If a capacitor is induced...

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  5. Which of the following plots may represent is impedence of a series LC...

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  6. An inductor-coil having some resistance is connected to an AC source. ...

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  7. The variation of induced emf (E) with time (t) in a coil if a short ba...

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  8. An inductor L is allowed to discharge through capacitor C. The emf ind...

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  9. The voltage time (V-t) graoh for triangular wave having peak value (V0...

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  10. A rectangular loop os sides of length l and b is placed in x-y plane. ...

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  11. In an LCR circuit R=100 ohm. When capacitance C is removed, the curren...

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  12. Some cases are given below. Identify the case in which emf is induced ...

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  13. Two coils have self-inductance L(1)=4mHandL(2)=1mH respectively. The c...

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  14. For the circuit shown

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  15. In the series LCR circuit as shown in figure, the heat developed in 80...

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  16. The current flowing in a wire fluctuates sinusoidally as shown in the ...

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  17. There is a conducting ring of radius R. Another ring having current i ...

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  18. At a perpendicular place on the earth, the horizontal component of ear...

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  19. An L-C circuit contains 20 mH inductor and a 50 muF capacitor with an ...

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  20. A magnet is taken towards a conducting ring in such a way that a const...

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