ECE :: Network Analysis and Synthesis
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In an R-L circuit excited by a battery of voltage E, the current and voltage across resistor are 1- e-t and 2(1 - e-t) respectively. If there were an initial current of 2 A in the inductance, the voltage across resistance would have been
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In a RL circuit, the angle, θ by which the current lags the voltage is
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A 60 W, 23 V bulb is used for 45 minutes. The electrical energy consumed in commercial units is
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A choke coil has a resistance to reactance ratio of 0.2. The power factor of the choke coil is