Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 2,000 V 31.25 V 1,000 V 3,125 V 2,000 V 31.25 V 1,000 V 3,125 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage reaches zero increases decreases remains constant reaches zero increases decreases remains constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Ferrits Ferromagnetic material Paramagnetic material Diamagnetic material Ferrits Ferromagnetic material Paramagnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Gilbert is a unit of electromotive force conductance magnetomotive force permittivity electromotive force conductance magnetomotive force permittivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is decreasing current voltage an increasing current current decreasing current voltage an increasing current current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 16 AT 4 AT 8 AT 10 AT 16 AT 4 AT 8 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP