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 Decrease Be excessive Remain Constant Increase Decrease Be excessive Remain Constant Increase ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as conducting material ferromagnetic material paramagnetic material diamagnetic material conducting material ferromagnetic material paramagnetic material diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor which is a strong magnet which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor which is a strong magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Silver and copper Iron Silver Copper Silver and copper Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. Ferromagnetic Diamagnetic None of the listed here Paramagnetic Ferromagnetic Diamagnetic None of the listed here Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Cobalt Tungsten Nickel Chromium Cobalt Tungsten Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP