Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by Hammering All of the listed here Heating By inductive action of another magnet Hammering All of the listed here Heating By inductive action of another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a universal constant pole strength vector quantity scalar quantity universal constant pole strength vector quantity scalar quantity 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? 25 AT/m 2500 AT/m 0.25 AT/m 250 AT/m 25 AT/m 2500 AT/m 0.25 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 300 At 18.75 At 30 At 187 At 300 At 18.75 At 30 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/Wb At/m tesla Wb At/Wb At/m tesla Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the direction of the magnetic field remains unchanged magnetic field expands direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged magnetic field expands direction of the magnetic field reverses magnetic field collapses ANSWER DOWNLOAD EXAMIANS APP
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