Glossary of Terms IV

Question 1

Normally Closed

Answer 1

The position of a set of contacts that are in a closed position when the coil of the device is de-energized.

Question 2

Normally Open

Answer 2

The position of a set of contacts that are in an open position when the coil of the device is de-energized

Question 3

Open Circuit

Answer 3

An electrical circuit without a complete path for current to flow

Question 4

Relay

Answer 4

An electromagnetic switch consisting of a coil, armature and set of contacts

Question 5

Short Circuit

Answer 5

An electrical circuit that has no resistance

Question 6

Terminal

Answer 6

An electrical connection to an electrical device

Question 7

Transformer

Answer 7

An electrical device consisting of two coil windings around an iron core that when current is supplied to the primary coil, a current flow is induced in the secondary coil

Question 8

Voltage Drop

Answer 8

The amount of voltage consumed due to the resistance encountered in the electrical circuit.

Question 9

Watt

Answer 9

Unit measurement of electrical power

Question 10

Combination Circuit

Answer 10

An electrical circuit that has a combination of series and parallel circuit characteristics, expressed as the dominant circuit characteristic