Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Hardened steel Stainless steel Soft iron None of the listed here Hardened steel Stainless steel Soft iron None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 0.01 N 100 N 0.1 N 10 N 0.01 N 100 N 0.1 N 10 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? Unit field intensity in the exertion of a force of one newton on a charge of one coulomb An electric field is defined as a point in space at which an electric charge would experience a force The electric intensity is a vector quantity The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point Unit field intensity in the exertion of a force of one newton on a charge of one coulomb An electric field is defined as a point in space at which an electric charge would experience a force The electric intensity is a vector quantity The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Remagnetising metallic parts Demagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Remagnetising metallic parts Demagnetising metallic parts Removing gases from the materials Removal of magnetic impurities ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Pole strength of the magnet Resistance of the coil Motion of the magnet Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion of the magnet Number of turns of the coil 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 Decreases Remain same None of the listed here Increases Decreases Remain same None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS