Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Increase Remain Constant Decrease Be excessive Increase Remain Constant Decrease Be excessive ANSWER DOWNLOAD EXAMIANS APP
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? 300 At 100 At 200 At 150 At 300 At 100 At 200 At 150 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/m Wb tesla At/Wb At/m Wb tesla At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 mWb/m² 1 Wb/m² 1 Wb/mm² 1 Wb/m 1 mWb/m² 1 Wb/m² 1 Wb/mm² 1 Wb/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Ferromagnetic None of the listed here Dielectric Diamagnetic Ferromagnetic None of the listed here Dielectric Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6 T 600 T 6,000 T 600 T 6 T 600 T 6,000 T 600 T ANSWER DOWNLOAD EXAMIANS APP
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