What is the function of the ISO relay?

The ISO relay is composed of an electromagnetic coil, a resistor or diode, and three electrical contacts.
T...

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What is the function of the ISO relay?The ISO relay is composed of an electromagnetic coil, a resistor or diode, and three electrical contacts.The ISO relay separates the mobile contact from the normally closed fixed contact when the electromagnetic coil is excited.The resistor or diode is connected in parallel with the electromagnetic coil in the relay and helps to dissipate voltage spikes produced when the coil is de-energized.a) Only statement I is correct.b) Statements I and II are correct.c) Statements I, II, and III are correct.d) None of the statements are correct.

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The function of the ISO relay is to separate the mobile contact from the normally closed fixed contact when the electromagnetic coil is excited. Additionally, the resistor or diode connected in parallel with the electromagnetic coil helps to dissipate voltage spikes produced when the coil is de-energized. Therefore, the correct alternative is b) Statements I and II are correct.

What is the function of the ISO relay? The ISO relay is composed of an electromagnetic coil, a resistor or diode, and three electrical contacts. T...

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