Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 30 AT 0.3 AT 300 AT 3 AT 30 AT 0.3 AT 300 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for non-magnetic substances None of these diamagnetic substances ferromagnetic substances non-magnetic substances None of these diamagnetic substances ferromagnetic substances 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 16 mA 120 mA 12 mA 1.7 mA 16 mA 120 mA 12 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is From one end of the magnet to another From south pole to north pole From north pole to south pole None of the listed here From one end of the magnet to another From south pole to north pole From north pole to south pole None of the listed here 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 None of the listed here BLI BLI2 Zero None of the listed here BLI BLI2 Zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 9,000 At/Wb 14,400 At/Wb 1,440 At/Wb 90,000 At/Wb 9,000 At/Wb 14,400 At/Wb 1,440 At/Wb 90,000 At/Wb ANSWER DOWNLOAD EXAMIANS APP
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