Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 2,000 V 3,125 V 31.25 V 1,000 V 2,000 V 3,125 V 31.25 V 1,000 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Relalative permeability Magnetic field intensity Magnetic potential Flux density Relalative permeability Magnetic field intensity Magnetic potential Flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Monopole moment None of the listed here Both dipole and monopole moment Dipole moment Monopole moment None of the listed here Both dipole and monopole moment Dipole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Tungsten Nickel Chromium Cobalt Tungsten Nickel Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the cross-sectional area Increasing current supply Increasing the number of turns All of the listed here Increasing the cross-sectional area Increasing current supply Increasing the number of turns All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as ferromagnetic material paramagnetic material diamagnetic material conducting material ferromagnetic material paramagnetic material diamagnetic material conducting material ANSWER DOWNLOAD EXAMIANS APP