Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage reaches zero remains constant increases decreases reaches zero remains constant increases decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil decreases the flux density reverses the flux lines causes no change in flux density increases the flux density decreases the flux density reverses the flux lines causes no change in flux density increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/m² 1 Wb/m 1 mWb/m² 1 Wb/mm² 1 Wb/m² 1 Wb/m 1 mWb/m² 1 Wb/mm² ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 240 At 24 At 2,400 At 2.4 At 240 At 24 At 2,400 At 2.4 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Permanent magnets Electromagnets Non-magnetic substances Transformers Permanent magnets Electromagnets Non-magnetic substances Transformers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as diamagnetic material conducting material paramagnetic material ferromagnetic material diamagnetic material conducting material paramagnetic material ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
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