Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have 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 High co-ercivity and high retentivity High permeability and low hysteresis loss High co-ercivity and low density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Hennry None of the listed here Hennry/meter Its dimensionless Hennry None of the listed here Hennry/meter Its dimensionless ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 2,400 At 240 At 2.4 At 24 At 2,400 At 240 At 2.4 At 24 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Coulomb Ampere-hour Joule Ampere Coulomb Ampere-hour Joule Ampere ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 270 90 360 180 270 90 360 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Ampere's law Kirchhoff's law Lenz's law Faraday's laws Ampere's law Kirchhoff's law Lenz's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
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