Magnetism and Electromagnetism The main constituent of permalloy is Tungsten Chromium Cobalt Nickel Tungsten Chromium Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Decreases the flux density Reverses the flux lines Causes no change in flux density Increases the flux density Decreases the flux density Reverses the flux lines Causes no change in flux density Increases the flux density 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 Decreases None of the listed here Remain same Increases Decreases None of the listed here Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents direction of force on the conductor Voltage magnetic field current direction of force on the conductor Voltage magnetic field current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Copper Aluminium Tungsten Nickel Copper Aluminium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Ferri-magnetic material Paramagnetic material Non-magnetic materials Ferro magnetic material Ferri-magnetic material Paramagnetic material Non-magnetic materials Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
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