Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 150 At 100 At 200 At 300 At 150 At 100 At 200 At 300 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have Both low coercivity and high susceptibility High susceptibility Low coercivity None of the listed here Both low coercivity and high susceptibility High susceptibility Low coercivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the iron piece will break the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic lines of force will bend away from their usual paths in order to go away from the piece the iron piece will break the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic lines of force will bend away from their usual paths in order to go away from the piece ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be BLI None of the listed here BLI2 Zero BLI None of the listed here BLI2 Zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. Paramagnetic Diamagnetic None of the listed here Ferromagnetic Paramagnetic Diamagnetic None of the listed here Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is proportional to distance between the conductors proportional to 7 inversely proportional to I proportional to X proportional to distance between the conductors proportional to 7 inversely proportional to I proportional to X ANSWER DOWNLOAD EXAMIANS APP
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