Magnetism and Electromagnetism The direction of magnetic lines of force is None of the listed here From north pole to south pole From south pole to north pole From one end of the magnet to another None of the listed here From north pole to south pole From south pole to north pole From one end of the magnet to another ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Silver and copper Silver Iron Copper Silver and copper Silver Iron 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. circular rectangular triangular None of the listed here circular rectangular triangular None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials ferrimagnetic materials diamagnetic materials antiferrimagnetic materials antiferromagnetic materials ferrimagnetic materials diamagnetic materials antiferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by All of the listed here Increasing current supply Increasing the cross-sectional area Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
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