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 30 At 18.75 At 187 At 300 At 30 At 18.75 At 187 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Brass Zinc Copper Ebolite Brass Zinc Copper Ebolite 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? 600 T 6,000 T 6 T 600 T 600 T 6,000 T 6 T 600 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 31.25 V 1,000 V 3,125 V 2,000 V 31.25 V 1,000 V 3,125 V 2,000 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Motors Generators All of the listed here Loud speakers Motors Generators All of the listed here Loud speakers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? Maxwell Tesla All of the listed here Weber Maxwell Tesla All of the listed here Weber ANSWER DOWNLOAD EXAMIANS APP
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