contactors Quiz Practice Quiz | contactors

Q: What is the primary function of a contactor?

To switch electrical circuits on and off. — Contactors are primarily designed for remote and automatic switching.

Q: Which of the following components is NOT typically found in a contactor?

Resistors — Resistors are not an integral part of a contactor, but rather added for specific circuits.

Q: What energizes the coil in a contactor to close the main contacts?

Control voltage applied to the coil. — The control coil is energized by an external voltage to actuate the contactor.

Q: What is the purpose of auxiliary contacts on a contactor?

To provide information about the contactor's state (open/closed). — Auxiliary contacts are used for signaling, interlocking, and other control functions.

Q: What type of current is typically used to energize the coil of a contactor?

Both AC and DC — Contactors can be designed to operate with either AC or DC control voltages.

Question 1 of 5

What is the primary function of a contactor?

Contactors are primarily designed for remote and automatic switching.

Question 2 of 5

Which of the following components is NOT typically found in a contactor?

Resistors are not an integral part of a contactor, but rather added for specific circuits.

Question 3 of 5

What energizes the coil in a contactor to close the main contacts?

The control coil is energized by an external voltage to actuate the contactor.

Question 4 of 5

What is the purpose of auxiliary contacts on a contactor?

Auxiliary contacts are used for signaling, interlocking, and other control functions.

Question 5 of 5

What type of current is typically used to energize the coil of a contactor?

Contactors can be designed to operate with either AC or DC control voltages.

contactors Quiz