Electromagnetic induction In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will None of the listed here Remains same Increases Decreases None of the listed here Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Laminated iron core Air core Iron core Powdered iron core Laminated iron core Air core Iron core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Lenz's law is a consequence of the law of conservation of Charge Induced current Induced e.m.f. Energy Charge Induced current Induced e.m.f. Energy ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Weber/metre Hennry Ohm Ampere turns Weber/metre Hennry Ohm Ampere turns ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A laminated iron core has reduced eddy-current losses because The laminations are stacked vertically The laminations are insulated from each other The magnetic flux is concentrated in the air gap of the core More wire can be used with less D.C. resistance in coil The laminations are stacked vertically The laminations are insulated from each other The magnetic flux is concentrated in the air gap of the core More wire can be used with less D.C. resistance in coil ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Capacitance Series aiding inductance Self-inductance Mutual inductance Capacitance Series aiding inductance Self-inductance Mutual inductance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS