Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage decreases increases reaches zero remains constant decreases increases reaches zero remains constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6 T 600 T 6,000 T 600 T 6 T 600 T 6,000 T 600 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Decreases with increasing cross sectional area of material Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Decreases with increasing cross sectional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Permanent magnets Non-magnetic substances Electromagnets Transformers Permanent magnets Non-magnetic substances Electromagnets Transformers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Dipole moment None of the listed here Monopole moment Both dipole and monopole moment Dipole moment None of the listed here Monopole moment Both dipole and monopole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current ANSWER DOWNLOAD EXAMIANS APP