Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 240 N 24 N 0.24 N 2.4 N 240 N 24 N 0.24 N 2.4 N 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 retentivity hysteresis permeability reluctance retentivity hysteresis permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has low permeability it has high permeability it corrodes easily it has high specific gravity it has low permeability it has high permeability it corrodes easily it has high specific gravity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 6 12 4 8 6 12 4 8 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 Increases Decreases None of the listed here Remain same Increases Decreases None of the listed here Remain same ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one Which is a strong magnet Which is a bad conductor Which is a good conductor Through which the magnetic lines of force can pass very easily Which is a strong magnet Which is a bad conductor Which is a good conductor Through which the magnetic lines of force can pass very easily ANSWER DOWNLOAD EXAMIANS APP
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