Magnetism and Electromagnetism An electromagnetic field exists only when there is voltage decreasing current an increasing current current voltage decreasing current an increasing current current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density decreases remains the same increases doubles decreases remains the same increases doubles ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 mWb/m² 1 Wb/m² 1 Wb/m 1 Wb/mm² 1 mWb/m² 1 Wb/m² 1 Wb/m 1 Wb/mm² ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet Temporary Magnet Weak magnet None of the listed here Permanent magnet Temporary Magnet Weak magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage None of the listed here Decrease Is zero Increase None of the listed here Decrease Is zero Increase ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 0.1 N 100 N 10 N 0.01 N 0.1 N 100 N 10 N 0.01 N ANSWER DOWNLOAD EXAMIANS APP
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