Magnetism and Electromagnetism The retentivity of material is useful for the construction of Non-magnetic substances Electromagnets Transformers Permanent magnets Non-magnetic substances Electromagnets Transformers Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Gilbert is a unit of electromotive force magnetomotive force conductance permittivity electromotive force magnetomotive force conductance permittivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the direction of the magnetic field reverses magnetic field expands magnetic field collapses direction of the magnetic field remains unchanged direction of the magnetic field reverses magnetic field expands magnetic field collapses direction of the magnetic field remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Copper Zinc Brass Ebolite Copper Zinc Brass Ebolite ANSWER DOWNLOAD EXAMIANS APP
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 None of the listed here Decreases Increases Remain same None of the listed here Decreases Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
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 Be excessive Remain Constant Decrease Increase Be excessive Remain Constant Decrease ANSWER DOWNLOAD EXAMIANS APP
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