Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of repulsion a downward force a force of attraction no force a force of repulsion a downward force a force of attraction no force 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? 10 AT 8 AT 4 AT 16 AT 10 AT 8 AT 4 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removal of magnetic impurities Removing gases from the materials Demagnetising metallic parts Remagnetising metallic parts Removal of magnetic impurities Removing gases from the materials Demagnetising metallic parts Remagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 30 At 300 At 18.75 At 187 At 30 At 300 At 18.75 At 187 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as retentivity reluctance hysteresis permeability retentivity reluctance hysteresis permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Inductance Flux Field strength Flux density Inductance Flux Field strength Flux density ANSWER DOWNLOAD EXAMIANS APP
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