1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. Find the total voltage applied in a series RLC circuit when i = 3mA, V_{L} = 30V, V_{C} = 18V, and R = 1000 ohms.

A. 3.95V

B. 51V

C. 32.67V

D. 6.67V

9. In an RLC circuit, which of the following is always used as a vector reference?

A. Voltage

B. Resistance

C. Impedance

D. Current

10. In an RLC circuit, the power factor is always ____________

A. Positive

B. Negative

C. Depends on the circuit

D. Zero