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 Decrease Remain Constant Be excessive Increase Decrease Remain Constant Be excessive ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 4 6 8 12 4 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is proportional to X proportional to 7 inversely proportional to I proportional to distance between the conductors proportional to X proportional to 7 inversely proportional to I proportional to distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Copper Brass Zinc Ebolite Copper Brass Zinc Ebolite ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? None of the listed here Diamagnetic material Paramagnetic material Ferro magnetic material None of the listed here Diamagnetic material Paramagnetic material Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Product of current in two conductors Distance between the conductors Current in one conductor Radius of conductor Product of current in two conductors Distance between the conductors Current in one conductor Radius of conductor ANSWER DOWNLOAD EXAMIANS APP
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