Magnetism and Electromagnetism A permeable substance is one which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor which is a strong magnet which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor which is a strong magnet ANSWER DOWNLOAD EXAMIANS APP
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? 0.3 AT 300 AT 30 AT 3 AT 0.3 AT 300 AT 30 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Kirchhoff's law Faraday's laws Lenz's law Ampere's law Kirchhoff's law Faraday's laws Lenz's law Ampere's law ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by The use of permanent magnet Rubbing with another magnet Placing it inside a coil carrying current Induction The use of permanent magnet Rubbing with another magnet Placing it inside a coil carrying current Induction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Iron Copper Silver Silver and copper Iron Copper Silver Silver and copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Chromium Tungsten Nickel Cobalt Chromium Tungsten Nickel Cobalt ANSWER DOWNLOAD EXAMIANS APP