Magnetism and Electromagnetism The unit for permeability is At/Wb Wb/At × m Wb At/m At/Wb Wb/At × m Wb At/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux increases continuously from initial value to final value is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero decreases continuously from initial value to final value increases continuously from initial value to final value is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero decreases continuously from initial value to final value 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 91.7 T 9.7 T 91 T 917 T 91.7 T 9.7 T 91 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 360 90 270 180 360 90 270 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ferrimagnetic materials antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field ANSWER DOWNLOAD EXAMIANS APP
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