Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Tungsten Copper Aluminium Nickel Tungsten Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Lenz's law Faraday's laws Kirchhoff's law Ampere's law Lenz's law Faraday's laws Kirchhoff's law Ampere's law 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 same Decreases None of the listed here Increases Remain same Decreases None of the listed here Increases 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 Decrease Increase Be excessive Remain Constant Decrease Increase Be excessive ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Monopole moment Dipole moment None of the listed here Both dipole and monopole moment Monopole moment Dipole moment None of the listed here Both dipole and monopole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Amplify flux Restore lost flux Provide a closed path for flux Change the direction of magnetic lines Amplify flux Restore lost flux Provide a closed path for flux Change the direction of magnetic lines ANSWER DOWNLOAD EXAMIANS APP