Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of orbital motion of electrons spin of electrons spin of nucleus either of these orbital motion of electrons spin of electrons spin of nucleus either of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core area increases Flux density decreases Core length increases Flux density increases Core area increases Flux density decreases Core length increases Flux density increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 0.24 AT 2.4 AT 240 AT 24 AT 0.24 AT 2.4 AT 240 AT 24 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Transformers Energy meters Loud speakers None of the listed here Transformers Energy meters Loud speakers None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Faraday's laws Kirchhoff's law Ampere's law Lenz's law Faraday's laws Kirchhoff's law Ampere's law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 300 At 187 At 18.75 At 30 At 300 At 187 At 18.75 At 30 At ANSWER DOWNLOAD EXAMIANS APP
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