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 24 N 0.24 N 240 N 2.4 N 24 N 0.24 N 240 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will depend on the radius of the circle will be zero will be infinite will depend on the amount of e.m.f. applied will depend on the radius of the circle will be zero will be infinite will depend on the amount of e.m.f. applied ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Copper Iron Moving Charges Aluminium Copper Iron Moving Charges Aluminium 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 Rubbing with another magnet The use of permanent magnet Induction Placing it inside a coil carrying current Rubbing with another magnet The use of permanent magnet Induction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Hennry Hennry/meter Its dimensionless None of the listed here Hennry Hennry/meter Its dimensionless None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Paramagnetic material Ferro magnetic material Non-magnetic materials Ferri-magnetic material Paramagnetic material Ferro magnetic material Non-magnetic materials Ferri-magnetic material ANSWER DOWNLOAD EXAMIANS APP
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