Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of attraction no force a downward force a force of repulsion a force of attraction no force a downward force a force of repulsion 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 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)? 180 90 270 360 180 90 270 360 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as susceptance reluctance permeance residual magnetism susceptance reluctance permeance residual magnetism ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/m² 1 Wb/m 1 Wb/mm² 1 mWb/m² 1 Wb/m² 1 Wb/m 1 Wb/mm² 1 mWb/m² ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Lenz's law Ampere's law Kirchhoff's law Faraday's laws Lenz's law Ampere's law Kirchhoff's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
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