The device in which one circuit controls another, especially if the current in the second circuit is large or dangerous is known as

Similar Questions

In which of the following transitions is the largest quantum of energy liberated by an hydrogen atom...

Which of the following statements about Gamma radiation is correct? Gamma radiation can ...

A piece of wood is floating on water. The forces acting on the wood are ...

Two horizontal forces, 10N and 8N and another force F1 inclined at 30 to the vertical acting as show...

A pool of water appears to be 1.0m deep when viewed vertically from above. If the refractive index o...

Two metals P and Q of length l1 and l2 are heated through the same temperature difference. If the ra...

The basic difference between a transverse wave and a longitudinal wave travelling in the same direct...

At different locations on the earth's surface, the earth's magnetic field is ...

A moving-coil meter with an internal resistance of 100Ω has a full-scale deflection when a cur...

Calculate the force acting on an electron of charge 1.6 x 10-19C placed in an electric field of inte...