Questions -
Q1. In a series RLC circuit, we have a resistance of 1500Ω, an inductor rated at 1000μH, and a capacitor rated at 0.1μF. The supply voltage is 100V at 10kHz. Calculate the value of the total circuit impedance for the circuit and the resonant frequency of the circuit.
Q2. Calculate the total circuit impedance of a parallel RL circuit consisting of a 500Ω resistor and an inductor rated at 1500mH. The supply voltage is 50V at 500Hz.
Q3. In a certain balanced three-phase system, each line current is 10A and each line voltage is 240V. What is the approximate real power if the power factor is 0.75?
Q4. A DC generator with an efficiency of 92 percent has an output of 440 volts at 75 amperes. Calculate the machine power losses for this generator.
Q5. A battery containing five 12V at 1.5A cells connected in series has a total voltage and current of 60V, 1.5A. If these five cells were connected in parallel, what would be the total voltage and current?
Q6. A circuit consists of 4 capacitors in series with values of 0.15μF, 0.25μF, 0.4μF, and 0.5μF. Calculate the total capacitance of this series circuit. If we place a resistor of 50k/2 in series with this combination, what is the time constant of this circuit?
Q7. In a series RC circuit with a DC supply of 100 volts, at the third time constant, what would the measured value of the voltage be across the resistor and the capacitor?
Q8. A circuit consists of 4 inductors in series with values of 50μH, 100μH, 150μH, and 250μH. Calcuate the total inductance of this series circuit. If we place a resistor of 1000Ω in series with this combination, what is the time constant of this circuit?