12. A series circuit having pure resistance of 40 ohms, pure inductance of 50.07 mH and a capacitor is connected across a 400 V, 50 Hz, AC supply. This R, L, C combination draws a current of 10 A. Calculate (a) Power factor of the circuit and (b) Capacitor value.

A resistance 120 Q and a capacitance 15 µF are connected in series across a 240 V, 50 Hz a.c. supply. Calculate (a) the circuit impedance (b) the voltage across the resistance (c) the voltage across the capacitor and (d) phase angle in degrees.

Which of the following is true about all series ac circuits?(a) The voltage across any circuit element is a maximumwhen the current is a maximum in that circuit element.(b) The current at any point in the circuit is always thesame as the current at any other point in the circuit.(c) The current in the circuit is a maximum when thesource ac voltage is a maximum.(d) Resistors, capacitors, and inductors can all change thephase of the current.

A 240 volt 60 Hz voltage source is connected to an RLC parallel circuit, the true power is 260 watts. The inductor has a reactive power of 760 VARs, and the capacitor has a reactive power of 360 VARs. a. Find the power factor for this circuit. b. Calculate the capacitance of the capacitor.

1)The value of the capacitance reactive power in VAR is? /2) The value of the capacitor in micro farad is?

A) A step-up chopper has an input voltage of 220 V and an output voltage of 660 V. if the non-conducting time of the thyristor is 100us. What is the on-time of the thyristor?

Question- A solar cell of 350 V is feeding power to an ac supply of 440 V, 50 Hz through a 3-phase fully controlled bridge converter. A large inductance is connected in the dc circuit to maintain the dc current at 20 A. If the solar cell resistance is 0.5 Q, then find the period for which each thyristor be reverse based.

Please answer question in image with details on how to do it. Thank you.

An inductor of 150hms and resistance of 10 Ohms are connected in series to a 230V, 50 Hz ac supply. Determine the active and reactive power and power factor in the circuit.

Moving to another question will save this response. Question 9 Four point charges are located at the corners of square 4 cm has been shown in figure Below, each charge is 1.2 NC, the net potential energy stored in the system equals to I.2 nc C 1.2 nc 4 cm 1.2 nc 1.2 nc 4 cm C