Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect both of the listed here None of these resistance of conductor reluctance of conductor both of the listed here None of these resistance of conductor reluctance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core area increases Flux density increases Core length increases Flux density decreases Core area increases Flux density increases Core length increases Flux density decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The flow of an electric current The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The flow of an electric current The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Ferro magnetic material Diamagnetic material Bipolar Paramagnetic material Ferro magnetic material Diamagnetic material Bipolar Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Both dipole and monopole moment Monopole moment None of the listed here Dipole moment Both dipole and monopole moment Monopole moment None of the listed here Dipole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. rectangular circular None of the listed here triangular rectangular circular None of the listed here triangular ANSWER DOWNLOAD EXAMIANS APP