A magnet relay is a device used for?
A magnet relay is a device used for?
reading the magnitude of magnetic flux
controlling another circuit carrying larger current
turning in sports
storing magnetic field
Correct answer is B
Relays are electrically operated switches that open and close the circuits by receiving electrical signals from outside sources.
Which of the following is consistent with Charles' law? ...
It takes much longer to cook food in the hills than in the plains, because ...
If the system above is in equilibrium, the tension in the string Q is ...
Which of the following statements about a moving object is correct? ...
A body of mass m moving around a circle of radius r with a uniform speed v&...