5-pin automotive relay

5-pin automotive relay

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Science, Specialty, Physics

Professional Development

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a 5-pin automotive relay?

Back

A 5-pin automotive relay is an electromechanical switch used to control a high-power circuit with a low-power signal, typically found in automotive applications.

2.

FLASHCARD QUESTION

Front

What is the function of pins 30 and 87 in a 5-pin automotive relay?

Back

Pins 30 and 87 are used for the load side of the relay, where pin 30 is the common terminal and pin 87 is the normally open (NO) terminal.

3.

FLASHCARD QUESTION

Front

What is the resistance measurement between pins 30 and 87 in a properly functioning relay?

Back

.5 ohms or less.

4.

FLASHCARD QUESTION

Front

Which pins are designated for the coil side of a 5-pin automotive relay?

Back

Pins 85 and 86 are designated for the coil side of the relay.

5.

FLASHCARD QUESTION

Front

What does it mean if there is continuity between pins 87 and 87a?

Back

If there is continuity between pins 87 and 87a, it indicates a malfunction, as there should be no continuity between these pins.

6.

FLASHCARD QUESTION

Front

What is the purpose of the coil in a relay?

Back

The coil in a relay generates a magnetic field when energized, which activates the switch mechanism to open or close the circuit.

7.

FLASHCARD QUESTION

Front

What is the difference between normally open (NO) and normally closed (NC) contacts in a relay?

Back

Normally open (NO) contacts are open when the relay is not energized and close when energized, while normally closed (NC) contacts are closed when the relay is not energized and open when energized.

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