Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/4 2M M M/2 M/4 2M M M/2 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 12 mA 120 mA 1.7 mA 16 mA 12 mA 120 mA 1.7 mA 16 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. Ferromagnetic None of the listed here Diamagnetic Paramagnetic Ferromagnetic None of the listed here Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for None of these diamagnetic substances non-magnetic substances ferromagnetic substances None of these diamagnetic substances non-magnetic substances ferromagnetic substances ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Remain Constant Increase Decrease Be excessive Remain Constant Increase Decrease Be excessive ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents magnetic field current direction of force on the conductor Voltage magnetic field current direction of force on the conductor Voltage ANSWER DOWNLOAD EXAMIANS APP