Magnetism and Electromagnetism The unit of relative permeability is None of the listed here Hennry/meter Its dimensionless Hennry None of the listed here Hennry/meter Its dimensionless Hennry ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have Both low coercivity and high susceptibility Low coercivity None of the listed here High susceptibility Both low coercivity and high susceptibility Low coercivity None of the listed here High susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and high retentivity High permeability and low hysteresis loss High co-ercivity and low density Large area of B-H loop High co-ercivity and high retentivity High permeability and low hysteresis loss High co-ercivity and low density Large area of B-H loop ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the magnetic field collapses direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field expands magnetic field collapses direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field expands ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. rectangular None of the listed here triangular circular rectangular None of the listed here triangular circular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Ampere-hour Ampere Coulomb Joule Ampere-hour Ampere Coulomb Joule ANSWER DOWNLOAD EXAMIANS APP
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