Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 30 At 18.75 At 300 At 187 At 30 At 18.75 At 300 At 187 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Non-magnetic materials Paramagnetic material Ferri-magnetic material Ferro magnetic material Non-magnetic materials Paramagnetic material Ferri-magnetic material Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is Wb/At × m At/Wb Wb At/m Wb/At × m At/Wb Wb At/m 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 12 6 4 8 12 6 4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 16 AT 4 AT 10 AT 8 AT 16 AT 4 AT 10 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP