15.
18. Sketch the magnetic hysteresis loop magnetic material suitable for:
a.c. a. fluorescent light fitting
b. electromagnetic switch operated solenoid one definition of:
a. Use sketch help you describe the meaning the words:
a. electric motor. 2V
b. shaded pole motor.
17.
21. step down transformer has 1000 turns the primary winding and
500 turns the secondary winding.c.c.c. d. inductive coil.
. the input voltage was 230V
the output voltage will be:
a. induction motor
c. Use sketch with notes explanation describe ‘good’ and ‘bad’
power factor. series motors
b. mutual inductance.
16.13. split-phase motor
d. 115V
c. State how power factor correction achieved on:
a. 200V
d. Use sketch with notes explanation show how turning force is
applied the rotor and therefore, the drive shaft, electric motor. transformer
b. inductance
b. a. relay
d. transformer. permanent magnet
b.
19.
20. motor
c.c. Give three applications for each the following types motor:
a.
14. 460V. Use sketch with notes explanation describe how force is
applied conductor magnetic circuit and how this principle is
applied electric motor. a. a
