The resistance and inductance of series circuit are \[5\Omega \] and – McqOptions

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1.	The resistance and inductance of series circuit are \[5\Omega \] and 20H respectively. At the instant of closing the switch, the current is increasing at the rate 4A-s. The supply voltage is [MP PMT 2004]
A.	20 V
B.	80 V
C.	120 V
D.	100 V
Answer» C. 120 V

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