Glossary of Terms VI

Question 1

Hysteresis

Answer 1

Loss of energy in magnetic material due to induction, in the form of heat

Question 2

Isolation Transformer

Answer 2

Transformer whose secondary winding is electrically separated from the primary. Also, a transformer whose primary voltage is the same as the secondary voltage.

Question 3

Primary Winding

Answer 3

The input of a transformer

Question 4

Secondary Winding

Answer 4

The output of a transformer

Question 5

Step Down Transformer

Answer 5

Transformer that reduces voltage while increasing available current

Question 6

Step Up Transformer

Answer 6

Transformer that increases voltage with decreasing available current

Question 7

Turns Ratio

Answer 7

Ratio of the number of wraps of wire in the primary winding to the number of wraps of wire in the secondary winding

Question 8

Voltamperes (VA)

Answer 8

The power rating of a transformer in terms of volts x amps

Question 9

Circuit Breaker

Answer 9

A switch which is opened automatically when the current exceeds or falls below a predetermined value

Question 10

Fused Disconnect

Answer 10

Single electrical enclosure switch containing a knife like switch blade and fuse for each hot leg of electrical service for the disconnect of equipment