Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla Lumens None of the listed here Weber Tesla Lumens None of the listed here Weber 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? 3 AT 30 AT 0.3 AT 300 AT 3 AT 30 AT 0.3 AT 300 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 8 6 4 12 8 6 4 12 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one Which is a strong magnet Which is a bad conductor Which is a good conductor Through which the magnetic lines of force can pass very easily Which is a strong magnet Which is a bad conductor Which is a good conductor Through which the magnetic lines of force can pass very easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Induction 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Lenz's law Ampere's law Kirchhoff's law Faraday's laws Lenz's law Ampere's law Kirchhoff's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP