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 1,000 V 2,000 V 31.25 V 3,125 V 1,000 V 2,000 V 31.25 V 3,125 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for non-magnetic substances diamagnetic substances ferromagnetic substances None of these non-magnetic substances diamagnetic substances ferromagnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? None of the listed here It assures a position which follows a line of magnetic flux It starts rotating It assures a position right angle to magnetic field None of the listed here It assures a position which follows a line of magnetic flux It starts rotating It assures a position right angle to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Zinc Ebolite Copper Brass Zinc Ebolite Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will be infinite will be zero will depend on the radius of the circle will depend on the amount of e.m.f. applied will be infinite will be zero will depend on the radius of the circle will depend on the amount of e.m.f. applied ANSWER DOWNLOAD EXAMIANS APP
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