The waveform for the current through a 50 mH inductor is shown below. Determine and sketch the corresponding voltage waveform. i(t), mA 3 4 t, ms
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- 1)The value of the capacitance reactive power in VAR is? /2) The value of the capacitor in micro farad is?A capacitor has a reactance of 40 when operated on a 50 Hz supply. Determine the value of its capacitance. In a series R–L circuit the p.d. across the resistance R is 12V and the p.d. across the inductance L is 5V. Find the supply voltage and the phase angle between current and voltageA 20-ohm resistor and a capacitor are connected in series with a battery of 60 volts. At t = 0, there is no charge on the capacitor. Find the capacitance if the current at t = 5 seconds is 3/e^s amperes. Ans. 0.05 Farads