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 BLI BLI2 None of the listed here Zero BLI BLI2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Copper Aluminium Iron Moving Charges Copper Aluminium Iron Moving Charges ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High permeability and low hysteresis loss High co-ercivity and high retentivity High co-ercivity and low density Large area of B-H loop High permeability and low hysteresis loss High co-ercivity and high retentivity High co-ercivity and low density Large area of B-H loop ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 2500 AT/m 250 AT/m 25 AT/m 0.25 AT/m 2500 AT/m 250 AT/m 25 AT/m 0.25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 2,400 At 2.4 At 24 At 240 At 2,400 At 2.4 At 24 At 240 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 1.7 mA 12 mA 120 mA 16 mA 1.7 mA 12 mA 120 mA 16 mA ANSWER DOWNLOAD EXAMIANS APP
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