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An inductor coil carries a steady state...

An inductor coil carries a steady state current of 2.0 A when connected across an ideal battery of emf 4.0 V. if its inductance is 1.0 H, find the time constant of the circuit.

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here`i=2A,E=4V, L=1H`
`:. R=(E/i)=(4/2)=2 Omega`
`i=L/R=1/2=0.5A`.
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HC VERMA-ELECTROMAGNETIC INDUCTION-Exercises
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  4. A coil having inductance 2.0 H and resistance 20 Omega is connected t...

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

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  9. What are the values of the self induced emf in the circuit of the pr...

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

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  14. A solenoid having inductance 4.0 H and resistance 10 Omega is connecte...

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  15. The magnetic field at a point inside a 2.0 mH inductor coil becomes 0...

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  16. An LR circuit with emf epsilon is connected at t = 0. (a) find the cha...

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