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Unit of magnetic flux density (or magnetic induction) is

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Important Questions on Magnetism

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 5
The bar magnet of pole strength m is cut into four equal parts such that the length and breadth of each part is half of the original dimensions. The pole strength of each part will be
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 6
Magnetic dipole moment is a
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 7
The effective length of a magnet is 31.4 cm and its pole strength is 0.8 A m. The magnetic moment, if it is bent in the form of a semicircle is ________ A m2.
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 8
A bar magnet having magnetic moment M, is bent into a semicircle. The new moment of magnet will be
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 9

A bar magnet of length l and magnetic dipole moment M is bent in the form of an are as shown in the figure. The new magnetic dipole moment will be

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 10
A magnetized wire of magnetic moment M is bent into an arc of a circle that substends an angle of 60° at the centre. The equivalent magnetic moment is
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 11
A magnet of magnetic moment M and pole strength m is divided in two equal parts, then magnetic moment of each part will be
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 8 - Magnetism>Competitive Thinking>Q 12
A coil of length L, carries a current i. The magnetic moment of coil is proportional to