Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is increased zero decreased reversed in polarity increased zero decreased reversed in polarity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage decreases reaches zero remains constant increases decreases reaches zero remains constant increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high specific gravity it has high permeability it corrodes easily it has low permeability it has high specific gravity it has high permeability it corrodes easily it has low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to that ferromagnetic mate rials slightly more than unity slightly less than unity equal to unity equal to that ferromagnetic mate rials slightly more than unity slightly less than unity equal to unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will depend on the radius of the circle will be infinite will be zero will depend on the amount of e.m.f. applied will depend on the radius of the circle will be infinite will be zero will depend on the amount of e.m.f. applied ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is varying voltage a steady current an electromagnetic field a permanent magnetic field varying voltage a steady current an electromagnetic field a permanent magnetic field ANSWER DOWNLOAD EXAMIANS APP
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