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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-ELECTROMAGNETIC INDUCTION-Exercis-1
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  2. What is the magnetic energy density (in terms of standard constant & r...

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

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

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