Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites 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? 4 6 8 12 4 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of repulsion a force of attraction no force a downward force a force of repulsion a force of attraction no force a downward force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Diamagnetic Ferromagnetic Dielectric None of the listed here Diamagnetic Ferromagnetic Dielectric None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Decrease Remain Constant Increase Be excessive Decrease Remain Constant Increase Be excessive ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents Voltage current magnetic field direction of force on the conductor Voltage current magnetic field direction of force on the conductor ANSWER DOWNLOAD EXAMIANS APP