Q. Instrument transformers are used in alternating circuits for extending the range of

A
Ammeter
B
Voltmeter
C
Wattmeter
D
All of the above
Solution:

Instrument transformers are used in
The instrument transformer can reduce AC voltage or high current levels to where AC voltage or high current can be directly measured by the instrument. It can also provide power for relay protection and automatic device. Instrument transformer is composed of current transformer (CT) and potential transformer (PT).

Entri PDF Icon

Get Question Bank

Strengthen Your Practice with our comprehensive question bank.

Entri Contact Image

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