Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 2,400 At 240 At 24 At 2.4 At 2,400 At 240 At 24 At 2.4 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is decreasing current an increasing current voltage current decreasing current an increasing current voltage current 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 Zero BLI2 BLI None of the listed here Zero BLI2 BLI None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as susceptance permeance residual magnetism reluctance susceptance permeance residual magnetism reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Resistance of the coil Number of turns of the coil Pole strength of the magnet Motion of the magnet Resistance of the coil Number of turns of the coil Pole strength of the magnet Motion of the magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? Tesla Maxwell Weber All of the listed here Tesla Maxwell Weber All of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS