Magnetism and Electromagnetism The unit for reluctance is At/m Wb At/Wb tesla At/m Wb At/Wb tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is None of the listed here The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors None of the listed here The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors 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. triangular rectangular None of the listed here circular triangular rectangular None of the listed here circular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Relatice permeability Susceptibility Flux density None of the listed here Relatice permeability Susceptibility Flux density None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Remains same Decreases Increases First increases and then decreases depending on the depth of iron in¬sertion Remains same Decreases Increases First increases and then decreases depending on the depth of iron in¬sertion ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 917 T 9.7 T 91 T 91.7 T 917 T 9.7 T 91 T 91.7 T ANSWER DOWNLOAD EXAMIANS APP