Magnetism and Electromagnetism Ferrites are materials. Paramagnetic Ferromagnetic Diamagnetic None of the listed here Paramagnetic Ferromagnetic Diamagnetic None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/4 M/2 2M M M/4 M/2 2M M ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Diamagnetic material Ferro magnetic material None of the listed here Paramagnetic material Diamagnetic material Ferro magnetic material None of the listed here Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Induction The use of permanent magnet Placing it inside a coil carrying current Rubbing with another magnet Induction The use of permanent magnet Placing it inside a coil carrying current Rubbing with another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Does not vary with increasing cross-sectional area of material Decreases with increasing cross sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Decreases with increasing cross sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material ANSWER DOWNLOAD EXAMIANS APP
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