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
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Radius of conductor Current in one conductor Distance between the conductors Product of current in two conductors Radius of conductor Current in one conductor Distance between the conductors Product of current in two conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Paramagnetic material Bipolar Ferro magnetic material Diamagnetic material Paramagnetic material Bipolar Ferro magnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents current direction of force on the conductor Voltage magnetic field current direction of force on the conductor Voltage magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Magnetic potential Relalative permeability Flux density Magnetic field intensity Magnetic potential Relalative permeability Flux density Magnetic field intensity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is varying voltage a steady current a permanent magnetic field an electromagnetic field varying voltage a steady current a permanent magnetic field an electromagnetic field ANSWER DOWNLOAD EXAMIANS APP
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