Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. rectangular triangular None of the listed here circular rectangular triangular None of the listed here circular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero increases continuously from initial value to final value decreases 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 increases continuously from initial value to final value 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? 91 T 917 T 91.7 T 9.7 T 91 T 917 T 91.7 T 9.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by The use of permanent magnet Induction Rubbing with another magnet Placing it inside a coil carrying current The use of permanent magnet Induction Rubbing with another magnet Placing it inside a coil carrying current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making None of the listed here Temporary Magnet Weak magnet Permanent magnet None of the listed here Temporary Magnet Weak magnet Permanent magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla Lumens Weber None of the listed here Tesla Lumens Weber None of the listed here ANSWER DOWNLOAD EXAMIANS APP