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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 ENGLISH-ELECTROMAGNETIC INDUCTION-EXERCISE
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  2. Find the value of t/tau for which the current in an LR circuit builds ...

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  3. An inductor coil carries a steady state current of 2.0 A when connect...

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

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  7. The time constant of an LR circuit is 40 ms. The circuit is connected...

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

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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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  11. An LR circuit constains an inductor of 500 mH, a resistor of 25.O Om...

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  12. An inductor coil of resistance 10 Omega and inductance 120 mH is conn...

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  14. An LR circuit having a time constant of 50 ms is connected with an ide...

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  15. A coil having an inductance L and a resistance R is connected to a bat...

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  16. A solenoid having inductance 4.0 H and resistance 10 <span>&#8486;</sp...

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

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

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  19. an inductor of inductance 2.00 H is joined in series with a resistor o...

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  20. Two coil A and B have inductances 1.0 H and 2.0 H respectively. The...

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