Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet Heating All of the listed here Hammering By inductive action of another magnet Heating All of the listed here Hammering ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will None of the listed here Increases Decreases Remain same None of the listed here Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63.38 N/Wb 633.8 N/Wb 6338 N/Wb 63380 N/Wb 63.38 N/Wb 633.8 N/Wb 6338 N/Wb 63380 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a bad conductor through which the magnetic lines of force can pass very easily which is a strong magnet which is a good conductor which is a bad conductor through which the magnetic lines of force can pass very easily which is a strong magnet which is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a steady current varying voltage a permanent magnetic field an electromagnetic field a steady current varying voltage a permanent magnetic field an electromagnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path lower little higher zero lower little higher zero ANSWER DOWNLOAD EXAMIANS APP
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