Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be_____________?

Related Mcqs:

The inductance of a coil will increase under all the following conditions except______________?

A. when more length for the same number of turns is provided B. when the number of turns of the coil increase C. when more area for each turn is provided D. when permeability of the core increases...

A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is_____________?

A. 50 ohms B. 500 ohms C. 1000 ohms D. 5000 ohms...

emf induced in a circuit according to Faradays law depends on the_____________?

A. maximum magnetic flux B. rate of change of magnetic flux C. change in magnetic flux D. initial magnetic flux...

A small coil lies inside a large coil. The two coils are horizontal concentric and carry currents in opposite directions. The large coil will experience______________?

A. A torque about horizontal axis B. A torque about vertical axis C. An upward force along the axis D. No resultant force...

A metal rod of 25 cm length is moving at a speed of 0.5/sec in direction perpendicular to 0.25T magnetic field. Emf produced in the rod is_____________?

A. 0 volt B. 3.125 volt C. 31.25 volt D. 0.03125 volt...