Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 2.4 At 24 At 240 At 2,400 At 2.4 At 24 At 240 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 12 6 8 4 12 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for ferromagnetic substances non-magnetic substances None of these diamagnetic substances ferromagnetic substances non-magnetic substances None of these diamagnetic substances ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ? 22 x 10-6 N 22 x 10"7 N 22 x 10"5 N 22 x 10"8 N 22 x 10-6 N 22 x 10"7 N 22 x 10"5 N 22 x 10"8 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is None of the listed here From south pole to north pole From one end of the magnet to another From north pole to south pole None of the listed here From south pole to north pole From one end of the magnet to another From north pole to south pole ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/2 M/4 M 2M M/2 M/4 M 2M ANSWER DOWNLOAD EXAMIANS APP
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