A solenoid having an inductance of 3.3 ? is connected in series with a 4.7 Ω...

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Physics

A solenoid having an inductance of 3.3 ? is connectedin series with a 4.7 Ω resistor. If a
10.0 ? battery is connected across the pair
Please Answer these 3 following questions.

(a) Find the equilibrium current in the circuit.
(b) How long will it take for the current to reach 80% of its finalvalue?
(c) How much energy is dissipated by the resistor during the first3 seconds?

Answer & Explanation Solved by verified expert
4.3 Ratings (589 Votes)
The circuit equation by KVL can be given asV iR Ldidt 0 Ldidt V iR diViR dtL diViR dtL 1R x lnViR tL cNow for    See Answer
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