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