Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 16 AT 8 AT 10 AT 4 AT 16 AT 8 AT 10 AT 4 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removal of magnetic impurities Remagnetising metallic parts Removing gases from the materials Demagnetising metallic parts Removal of magnetic impurities Remagnetising metallic parts Removing gases from the materials Demagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. Ferromagnetic Diamagnetic Paramagnetic None of the listed here Ferromagnetic Diamagnetic Paramagnetic None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have High susceptibility None of the listed here Low coercivity Both low coercivity and high susceptibility High susceptibility None of the listed here Low coercivity Both low coercivity and high susceptibility 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 remains constant decreases reaches zero increases remains constant decreases reaches zero increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 2.4 At 24 At 2,400 At 240 At 2.4 At 24 At 2,400 At 240 At ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS