Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is inversely proportional to I proportional to 7 proportional to X proportional to distance between the conductors inversely proportional to I proportional to 7 proportional to X proportional to distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 2.4 N 240 N 0.24 N 24 N 2.4 N 240 N 0.24 N 24 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Placing it inside a coil carrying current The use of permanent magnet Rubbing with another magnet Induction Placing it inside a coil carrying current The use of permanent magnet Rubbing with another magnet Induction 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 25 AT/m 0.25 AT/m 250 AT/m 2500 AT/m 25 AT/m 0.25 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as residual magnetism reluctance permeance susceptance residual magnetism reluctance permeance susceptance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux which does not follow the designed path ANSWER DOWNLOAD EXAMIANS APP
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