Answer the following statement(s) true (T) or false (F)

1. The relay is a magnetically operated switch.
2. Interlocking is used to cause some function to happen before some other function occurs.
3. The relay operates on the solenoid principle.
4. Eddy currents are currents induced in the core material by the magnetic field of the coil.
5. The term relay is often used to describe any type of electronically operated switch.


1. TRUE
2. FALSE
3. TRUE
4. TRUE
5. FALSE

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