Q. Which is a very efficient thyristor to control the speed of an AC fan motor?

A
a 4-layer diode.
B
a PUT.
C
a triac.
D
a BJT.
Solution:

When the TRIAC switch is connected between the AC power supply and the motor, the power flow can be controlled by varying the RMS of the AC voltage.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!