Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density decreases Core length increases Flux density increases Core area increases Flux density decreases Core length increases Flux density increases Core area increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Iron Silver Silver and copper Copper Iron Silver Silver and copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. None of the listed here rectangular circular triangular None of the listed here rectangular circular triangular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Diamagnetic material Ferromagnetic material Ferrits Paramagnetic material Diamagnetic material Ferromagnetic material Ferrits Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Dipole moment Both dipole and monopole moment Monopole moment None of the listed here Dipole moment Both dipole and monopole moment Monopole moment None of the listed here 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 Resistance of the coil Pole strength of the magnet Motion of the magnet Number of turns of the coil Resistance of the coil Pole strength of the magnet Motion of the magnet Number of turns of the coil ANSWER DOWNLOAD EXAMIANS APP
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