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