Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil decreases the flux density increases the flux density causes no change in flux density reverses the flux lines decreases the flux density increases the flux density causes no change in flux density reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for non-magnetic substances None of these ferromagnetic substances diamagnetic substances non-magnetic substances None of these ferromagnetic substances diamagnetic substances 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 None of the listed here rectangular circular triangular None of the listed here rectangular circular 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? 91.7 T 91 T 917 T 9.7 T 91.7 T 91 T 917 T 9.7 T 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 10 N 100 N 0.1 N 0.01 N 10 N 100 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as paramagnetic material conducting material ferromagnetic material diamagnetic material paramagnetic material conducting material ferromagnetic material diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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