Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. circular rectangular None of the listed here triangular circular rectangular None of the listed here triangular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Magnetic field intensity Relalative permeability Magnetic potential Flux density Magnetic field intensity Relalative permeability Magnetic potential Flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Both dipole and monopole moment Monopole moment Dipole moment None of the listed here Both dipole and monopole moment Monopole moment Dipole moment None of the listed here 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 Remain Constant Be excessive Decrease Increase Remain Constant Be excessive Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the magnetic field collapses magnetic field expands direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field collapses magnetic field expands direction of the magnetic field reverses direction of the magnetic field remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is an electromagnetic field a permanent magnetic field a steady current varying voltage an electromagnetic field a permanent magnetic field a steady current varying voltage ANSWER DOWNLOAD EXAMIANS APP
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