What is Relay in Hindi/Urdu | How does it work | Complete detailed tutorial

What is Relay | How it Works? | 8 pin 220v Relay Connection and Working
What is Relay in Hindi/Urdu | How does it work | Complete detailed tutorial
A relay is an electromagnetic switch operated by a relatively small electric current that can turn on or off a much larger electric current.
The heart of a relay is an electromagnet (a coil of wire that becomes a temporary magnet when electricity flows through it)
In this video i describe all components, types, electrical relay wiring, construction, operation and working of relay in urdu.

Queries Solved:
1 what is relay
2 how dose it work
3 Relay connection
4 Relay working
5 Relay contacts
6 NO NC Contacts
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