4. A series circuit consisting of a non-inductive resistor of R & a pure inductance of L Henry connected across a DC voltage some of V volts through a switch S. Derive the equation of the current in the circuit at any instant ‘t’ after closing the switch.
4. A series circuit consisting of a non-inductive resistor of R & a pure inductance of L Henry connected across a DC voltage some of V volts through a switch S. Derive the equation of the current in the circuit at any instant ‘t’ after closing the switch.
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