What is the use of a relay?(a) To control the magnetic field(b) To control solenoid currents(c) To control Eddy current(d) To control both the magnetic field and eddy currentI got this question in my homework.My question comes from Starting Motor Switches and Control Circuit in portion Starting System of Automotive Engine Design

What is the use of a relay?(a) To control the magnetic field(b) To con

1.	What is the use of a relay?(a) To control the magnetic field(b) To control solenoid currents(c) To control Eddy current(d) To control both the magnetic field and eddy currentI got this question in my homework.My question comes from Starting Motor Switches and Control Circuit in portion Starting System of Automotive Engine Design
Answer» Correct OPTION is (B) To control solenoid currents The best explanation: The relay used to control the solenoid currents. Further, completing the relay circuit through the GENERATOR PROVIDES PROTECTION against the operating of the starter.

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