Sudarshan Asked a Question
April 20, 2020 2:52 pmpts 30 pts
A coil which has an inductance of 40 mH and a resistance of2 2 is connected together to form a RL series circuit. If they are connected to a 20 V DC supply, the time constant of the RL series circuit is (a) 20 ms Q67. (b) 200 ms (c) 100 mns (d) 1000 ms
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  • Abhishek singh Best Answer
    For series R-L circuit, time constant (T) = L/R. And for series R-C circuit, T = R*C. This will always help you. Best regards.
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  • Shanu arora thankyou
    here is the solution, the time constant for RL ckt is T=L/R. time constant is the time,it takes the voltage across the component to either fall (across the inductor) or rise (acros...
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  • Ruby negi thankyou
    solution
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