Textbook ExpertVerified Tutor
3 Nov 2021
Given information
A relay which is an electromagnet similar to a magnetic switch is given. After activating it is able to attract a strip of iron.
Step-by-step explanation
Step 1.
A relay is basically a switching device. They are used to control the switching of electronic equipment.
It works to isolate or change the state of an electric circuit from one state to another.
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