Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 2,000 V 3,125 V 31.25 V 1,000 V 2,000 V 3,125 V 31.25 V 1,000 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one 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 Which is a bad conductor Through which the magnetic lines of force can pass very easily Which is a strong magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Its dimensionless Hennry Hennry/meter None of the listed here Its dimensionless Hennry Hennry/meter None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 270 90 360 180 270 90 360 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferrites Ferromagnetic materials Diamagnetic materials Paramagnetic materials Ferrites Ferromagnetic materials Diamagnetic materials Paramagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Provide a closed path for flux Change the direction of magnetic lines Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux Amplify flux ANSWER DOWNLOAD EXAMIANS APP
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