31.219
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
7. One application for shaded pole a. 5Ω
b.42Ω
d. 31.c. One application for a. 31.42kΩ.
12.c. electric train
b. motor is:
a. increase the supply voltage
c. central heating pump
d. microwave oven
c.
10.8Ω
d. less current taken from the supply. electric drill. more current taken from the supply
d. central heating pump
d. motor is:
a.8kΩ. 31. electric train
b.c. induction motor is:
a. circuit with bad power factor causes:
a. microwave oven
c. The capacitive reactance 100F capacitor when connected a
50Hz supply will be:
a. fall the supply voltage
b. The inductive reactance 100mH coil when connected 50Hz
supply will be:
a. electric drill.
9. microwave oven
c. electric drill. 20Ω
c. 20Ω
c. 5Ω
b. One application for series d.
8.
11.
. electric train
b. central heating pump
d
