Magnetism and Electromagnetism Temporary magnets are used in Loud speakers Generators All of the listed here Motors Loud speakers Generators All of the listed here Motors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux which does not follow the designed path ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 1111 At/Wb 111 At/Wb 1 At/Wb 11 At/Wb 1111 At/Wb 111 At/Wb 1 At/Wb 11 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the cross-sectional area Increasing the number of turns Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns Increasing current supply All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 0.25 AT/m 250 AT/m 2500 AT/m 25 AT/m 0.25 AT/m 250 AT/m 2500 AT/m 25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet Hammering All of the listed here Heating By inductive action of another magnet Hammering All of the listed here Heating ANSWER DOWNLOAD EXAMIANS APP
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