An inductor of inductance 0.1H and a resistor of resistance 8Ω are connected in series to a battery of emf 1.5 V through a switch. Find the initial rate of growth of current when the switch is closed (in A/s).
An inductor of inductance 0.1H and a resistor of resistance 8Ω are connected in series to a battery of emf 1.5 V through a switch. Find the initial rate of growth of current when the switch is closed (in A/s).
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1 Answer
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at t = 0, I = 0; E = L (dI/dt) ⇒ dI/dt = E/L = 1.5/0.1 = 15 A/s
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