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What is the main advantage of the solenoid switch?

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in Automotive Engine Design by (137k points)
What is the main advantage of the solenoid switch?

(a) More current is induced

(b) Less current drawn from the battery

(c) More resistance

(d) More resistance and current is induced

This question was posed to me during an online exam.

Origin of the question is Starting Motor Switches and Control Circuit topic in chapter Starting System of Automotive Engine Design

1 Answer

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Best answer
The correct answer is (b) Less current drawn from the battery

Best explanation: The advantage of the solenoid switch is it draws less current in Hold-in winding when it remains to hold the contacts closed. Hence, Less current drawn from the battery is the right answer.

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