Magnetism and Electromagnetism The use of permanent magnets is. not made in Loud speakers Energy meters None of the listed here Transformers Loud speakers Energy meters None of the listed here Transformers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 14,400 At/Wb 9,000 At/Wb 90,000 At/Wb 1,440 At/Wb 14,400 At/Wb 9,000 At/Wb 90,000 At/Wb 1,440 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage reverses polarity decreases increases remains unchanged reverses polarity decreases increases remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of spin of nucleus spin of electrons orbital motion of electrons either of these spin of nucleus spin of electrons orbital motion of electrons either of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. None of the listed here Ferromagnetic Diamagnetic Dielectric None of the listed here Ferromagnetic Diamagnetic Dielectric ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Weber Tesla Lumens None of the listed here Weber Tesla Lumens None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS