Magnetism and Electromagnetism A keeper is used to Amplify flux Provide a closed path for flux Restore lost flux Change the direction of magnetic lines Amplify flux Provide a closed path for flux Restore lost flux Change the direction of magnetic lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts Both of the listed here strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as permeance residual magnetism susceptance reluctance permeance residual magnetism susceptance reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as paramagnetic material diamagnetic material conducting material ferromagnetic material paramagnetic material diamagnetic material conducting material ferromagnetic material 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 Which of the following is not a unit of flux? Tesla All of the listed here Weber Maxwell Tesla All of the listed here Weber Maxwell ANSWER DOWNLOAD EXAMIANS APP