Magnetism and Electromagnetism A magnetic field exists around Iron Moving Charges Aluminium Copper Iron Moving Charges Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The flow of an electric current The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The flow of an electric current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for non-magnetic substances diamagnetic substances None of these ferromagnetic substances non-magnetic substances diamagnetic substances None of these ferromagnetic substances ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a scalar quantity pole strength universal constant vector quantity scalar quantity pole strength universal constant vector quantity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as reluctance susceptance residual magnetism permeance reluctance susceptance residual magnetism permeance ANSWER DOWNLOAD EXAMIANS APP
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