21. What is the real part of the impedance of the RLC circuit?
A. Resistance
B. Conductance
C. Admittance
D. Reactance
22. What is the imaginary part of the impedance of the RLC circuit?
A. Resistance
B. Conductance
C. Admittance
D. Reactance
23. Which type of current can be stored in a capacitor?
A. Alternating current
B. Direct current
C. Both alternating current and direct current
D. Neither alternating current nor direct current
24. If in an alternating current circuit, resistance is 5 ohm, capacitive reactance is 12 ohm, what is the impedance?
A. 5 ohm
B. 10 ohm
C. 12 ohm
D. 13 ohm
25. If in an alternating current circuit, impedance is 26 ohm, capacitive reactance is 24 ohm, what is the resistance?
A. 25 ohm
B. 10 ohm
C. 12 ohm
D. 23 ohm
26. If in an alternating current circuit, a capacitance of 30 µF is connected to a supply of 200V,50Hz. Find the current in the circuit.
A. 1.38 A
B. 1.89 A
C. 1.74 A
D. 0.89 A
27. If in an alternating current circuit, capacitance C is connected to a supply of 200V,50Hz. The current in the circuit is 1.89 A. Find the capacitance C.
A. 30 µF
B. 20 µF
C. 10 µF
D. 15 µF
28. In an ac circuit, the resistance of 5 ohms is connected with a capacitor having capacitive reactance of 12 ohms. A supply of 260 V is connected to the circuit. Calculate the current in the circuit.
A. 40 A
B. 10 A
C. 20 A
D. 30 A
29. In an ac circuit, the resistance of 5 ohms is connected with a capacitor having capacitive reactance of 12 ohms. A supply of 260 V is connected to the circuit. Calculate the voltage across resistance.
A. 300 V
B. 200 V
C. 240 V
D. 100 V
30. In an ac circuit, resistance 5 ohm is connected with a capacitor having capacitive reactance 12 ohm. A supply of 260 V is connected to the circuit. Calculate the voltage across a capacitor.
A. 300 V
B. 200 V
C. 240 V
D. 100 V