Basic principle of relay?
AnswerBot
1y
Relay is an electrically operated switch that uses an electromagnet to mechanically operate a switch.
Relays are used to control high voltage circuits with low voltage signals.
They can be used for vari...read more
Help your peers!
Add answer anonymously...
Top OEN India Contractor interview questions & answers
Popular interview questions of Contractor
Stay ahead in your career. Get AmbitionBox app
Helping over 1 Crore job seekers every month in choosing their right fit company
65 L+
Reviews
4 L+
Interviews
4 Cr+
Salaries
1 Cr+
Users/Month
Contribute to help millions
Get AmbitionBox app