Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 10 N 100 N 0.01 N 0.1 N 10 N 100 N 0.01 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point The electric intensity is a vector quantity An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point The electric intensity is a vector quantity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Diamagnetic material Paramagnetic material Bipolar Ferro magnetic material Diamagnetic material Paramagnetic material Bipolar Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Self induction, mutual induction and direction of force on a conductor Current, magnetic field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Current, magnetic field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have 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 High permeability and low hysteresis loss High co-ercivity and high retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others ANSWER DOWNLOAD EXAMIANS APP
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