10. microwave oven
c. induction motor is:
a.c. 5Ω
b.
.
9. electric train
b. motor is:
a. One application for series d. motor is:
a. 20Ω
c. electric train
b. 20Ω
c.
12. 31. One application for a.c. One application for shaded pole a. electric drill. 31. circuit with bad power factor causes:
a. central heating pump
d.
8. microwave oven
c. 5Ω
b. fall the supply voltage
b. electric drill.
11.c. 31.8Ω
d. more current taken from the supply
d. increase the supply voltage
c. central heating pump
d. 31. The inductive reactance 100mH coil when connected 50Hz
supply will be:
a.42kΩ. central heating pump
d. less current taken from the supply. The capacitive reactance 100F capacitor when connected a
50Hz supply will be:
a. electric train
b.8kΩ.42Ω
d.219
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
7. electric drill. microwave oven
c
