Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage increases remains unchanged reverses polarity decreases increases remains unchanged reverses polarity decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet All of the listed here Hammering Heating By inductive action of another magnet All of the listed here Hammering Heating 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 The use of permanent magnets is. not made in Transformers Energy meters Loud speakers None of the listed here Transformers Energy meters Loud speakers None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux increases continuously from initial value to final value first increases and then decreases till it becomes zero decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value first increases and then decreases till it becomes zero decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents current direction of force on the conductor magnetic field Voltage current direction of force on the conductor magnetic field Voltage ANSWER DOWNLOAD EXAMIANS APP
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