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 120 mA 16 mA 12 mA 1.7 mA 120 mA 16 mA 12 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as reluctance permeability hysteresis retentivity reluctance permeability hysteresis retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Diamagnetic materials Ferromagnetic materials Ferrites Paramagnetic materials Diamagnetic materials Ferromagnetic materials Ferrites Paramagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Silver Iron Silver and copper Copper Silver Iron Silver and copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Ebolite Zinc Copper Brass Ebolite Zinc Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Weber None of the listed here Tesla Lumens Weber None of the listed here Tesla Lumens ANSWER DOWNLOAD EXAMIANS APP