Magnetism and Electromagnetism An electromagnetic field exists only when there is an increasing current decreasing current current voltage an increasing current decreasing current current voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 24 AT 0.24 AT 2.4 AT 240 AT 24 AT 0.24 AT 2.4 AT 240 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be BLI Zero BLI2 None of the listed here BLI Zero BLI2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as paramagnetic material conducting material diamagnetic material ferromagnetic material paramagnetic material conducting material diamagnetic material ferromagnetic material 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 10 N 100 N 0.01 N 0.1 N 10 N 100 N 0.01 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil causes no change in flux density decreases the flux density increases the flux density reverses the flux lines causes no change in flux density decreases the flux density increases the flux density reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
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