El2 Finals

Front

What is the function of a relay in a circuit?

Back

A relay is used for power control, allowing a low power signal to control a higher power circuit.

Front

Which pins on a relay correspond to the low current side?

Back

Pins 86 and 85 correspond to the low current side.

Front

Which pins on a relay correspond to the normally closed (n/c) contact side?

Back

Pins 30 and 87a correspond to the normally closed contact side.

Front

How is fuse rating expressed?

Back

Fuse rating is expressed in amperes (A).

Front

What type of battery is commonly used in conventional vehicles?

Back

Lead-Acid Battery is commonly used in conventional vehicles.

Front

What is the purpose of a fuse in an electrical circuit?

Back

A fuse protects the circuit by breaking the connection if the current exceeds a certain level.

Front

What does the term 'normally open' (n/o) mean in relation to relay contacts?

Back

Normally open means that the circuit is open (off) when the relay is not energized.

Front

What is the difference between a relay and a contactor?

Back

A relay is typically used for low power applications, while a contactor is used for high power applications.

Front

What is the significance of pin 30 on a relay?

Back

Pin 30 is the common terminal that connects to either the normally open or normally closed contacts.

Front

What does the term 'coil voltage' refer to in a relay?

Back

Coil voltage refers to the voltage required to energize the relay coil and activate the switch.