Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 30 AT 300 AT 0.3 AT 3 AT 30 AT 300 AT 0.3 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is conductance Permeability Susceptibility Reluctivity conductance Permeability Susceptibility Reluctivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Rubbing with another magnet Induction 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Ampere's law Lenz's law Kirchhoff's law Faraday's laws Ampere's law Lenz's law Kirchhoff's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a downward force no force a force of repulsion a force of attraction a downward force no force a force of repulsion a force of attraction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Soft iron Copper Brass Aluminium Soft iron Copper Brass Aluminium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS