Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to unity slightly more than unity equal to that ferromagnetic mate rials slightly less than unity equal to unity slightly more than unity equal to that ferromagnetic mate rials slightly less than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be no force a downward force a force of repulsion a force of attraction no force a downward force a force of repulsion a force of attraction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 30 At 300 At 18.75 At 187 At 30 At 300 At 18.75 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for diamagnetic substances None of these ferromagnetic substances non-magnetic substances diamagnetic substances None of these ferromagnetic substances non-magnetic substances ANSWER DOWNLOAD EXAMIANS APP
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 0.01 N 10 N 0.1 N 100 N 0.01 N 10 N 0.1 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Ferro magnetic material Bipolar Paramagnetic material Diamagnetic material Ferro magnetic material Bipolar Paramagnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP