The device in which one circuit controls another, especia...
The device in which one circuit controls another, especially if the current in the second circuit is large or dangerous is known as
Electromagnetic devices
Magnetic relay device
None at all
Sextant
Correct answer is B
Magnetic relay device :is the device that controls a circuit (i.e one circuit )if a current in the second circuit is large or dangerous
In an inelastic collision I. Energy is conserved II. Energy is decreased III. Energy is increas...
An object is placed 15cm in front of a concave mirror of focal length 20cm. The image formed is ...
Which of the following statements explains lost volt in an electric circuit? The ...
Two plane mirrors are inclined at an angle 20° to each other. Determine the number of images for...
A piece of cork floating on water is acted upon by the forces of... ...