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An inductor of inducance 5.0 H, having a...

An inductor of inducance 5.0 H, having a negligible resistance, is connected in series with a `100 Omega` resistor and a battery of emf 2.0 V. Find the potential difference across the resistor 20 ms after the circuit is switched on.

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The correct Answer is:
A, B, D
`v=v_(0)[1-e^(-t//tau)]=2[1-e^(-0.4)]=0.66 V`
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RESONANCE ENGLISH-ELECTROMAGNETIC INDUCTION-Exercis-1
  1. A long wire carries a current of 4.00 A. Find the energy stored in the...

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  2. What is the magnetic energy density (in terms of standard constant & r...

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  3. Suppose the emf of the battery, the circuit shown varies with time t s...

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  4. The network shown in the figure is a part of complete circuit. What is...

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  5. In figure,xi=100 V,R(1)=10 Omega,R(2)=20 Omega, R(3)=30 Omega and L= 2...

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  6. A coil having inductance 2.0 H and resistance 20 Omega is connected t...

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  7. A solenoid of resistance 50 Omega and inductance 80 H is connected to ...

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  8. A solenoid has an inductance of 10 henry and a resistance of 2 ohm. It...

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  9. A coil of resistance 40 Omega is connected across a 4.0 V battery. 0...

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  10. An inductor of inducance 5.0 H, having a negligible resistance, is con...

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  11. An LR circuit has L = 1.0 H R =20 Omega. It is connected across an e...

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  12. An inductor-coil of inductance 20 mH having resistance 10 Omega is jo...

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  13. Consider the circuit shown in figure.(a) find the current through the ...

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  14. A superconducting loop of radius R has self inductance L.A uniform & c...

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  15. In the circuit shown in the figure S(1) remains closed for a long time...

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  16. Show that if two inductors with equal inductance L are connected in pa...

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  17. Two coils of self-inductance L(1) and L(2) are palced closer to each o...

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  18. The average emf induced in the secondary coil is 0.1 V when the curren...

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  19. The mutual inductance between two coils is 0.5 H.It the current in one...

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  20. A small square loop of wire of side l is placed inside a large square ...

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