Magnetism and Electromagnetism Gilbert is a unit of magnetomotive force permittivity conductance electromotive force magnetomotive force permittivity conductance electromotive force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero decreases continuously from initial value to final value increases continuously from initial value to final value is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero decreases continuously from initial value to final value increases continuously from initial value to final value ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil reverses the flux lines increases the flux density causes no change in flux density decreases the flux density reverses the flux lines increases the flux density causes no change in flux density decreases the flux density 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 ? 6338 N/Wb 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb 63.38 N/Wb 63380 N/Wb 633.8 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is varying voltage a permanent magnetic field a steady current an electromagnetic field varying voltage a permanent magnetic field a steady current an electromagnetic field 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? 111 At/Wb 1 At/Wb 1111 At/Wb 11 At/Wb 111 At/Wb 1 At/Wb 1111 At/Wb 11 At/Wb ANSWER DOWNLOAD EXAMIANS APP
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