Magnetism and Electromagnetism The main constituent of permalloy is Cobalt Chromium Tungsten Nickel Cobalt Chromium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ? 22 x 10"5 N 22 x 10"8 N 22 x 10"7 N 22 x 10-6 N 22 x 10"5 N 22 x 10"8 N 22 x 10"7 N 22 x 10-6 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Ferromagnetic material Paramagnetic material Diamagnetic material Ferrits Ferromagnetic material Paramagnetic material Diamagnetic material Ferrits ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Pole strength of the magnet Number of turns of the coil Resistance of the coil Motion of the magnet Pole strength of the magnet Number of turns of the coil Resistance of the coil Motion of the magnet 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 Be excessive Decrease Remain Constant Increase Be excessive Decrease Remain Constant Increase ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Copper Nickel Aluminium Tungsten Copper Nickel Aluminium Tungsten ANSWER DOWNLOAD EXAMIANS APP
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