11. Choke involve use of _____________

A. Resistor

B. Capacitor

C. Inductor

D. Transistor

12. What is the value of current in an inductive circuit when there is no applied voltage?

A. Minimum

B. Maximum

C. Zero

D. Cannot be determined

13. What is the current in an inductive circuit when the applied voltage is maximum?

A. Infinity

B. Maximum

C. Zero

D. Cannot be determined

14. In an inductive circuit, the voltage_______ the current?

A. Leads

B. Lags

C. Is greater than

D. Is less than

15. In an inductive circuit, the current________ the voltage?

A. Leads

B. Lags

C. Is greater than

D. Is less than

16. In which device inductor cannot be used?

A. filter circuit

B. transformer

C. choke

D. dielectric

17. A resistance of 7 ohms is connected in series with an inductance of 31.8mH. The circuit is connected to a 100V 50Hz sinusoidal supply. Calculate the current in the circuit.

A. 2.2A

B. 4.2A

C. 6.2A

D. 8.2A

18. A resistance of 7 ohms is connected in series with an inductance of 31.8mH. The circuit is connected to a 100V 50Hz sinusoidal supply. Calculate the phase difference.

A. -55.1

B. 55.1

C. 66.1

D. -66.1

19. A resistance of 7 ohms is connected in series with an inductance of 31.8mH. The circuit is connected to a 100V 50Hz sinusoidal supply. Calculate the voltage across the resistor.

A. 31.8 V

B. 57.4 V

C. 67.3 V

D. 78.2 V

20. A resistance of 7 ohms is connected in series with an inductance of 31.8mH. The circuit is connected to a 100V 50Hz sinusoidal supply. Calculate the voltage across the inductor.

A. 52 V

B. 82 V

C. 65 V

D. 76 V