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12th CBSE
IMPORTANT
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An electron with angular momentum L moving around the nucleus has a magnetic moment given by 

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Important Questions on Moving Charges and Magnetism

MEDIUM
12th CBSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Sample Paper>Q 49

Shows a long straight wire of a circular cross-section (radius a) carrying steady current I. The current I is uniformly distributed across this cross-section. Calculate the magnetic field in the region r<a and r>a.

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MEDIUM
12th CBSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Sample Paper>Q 50
Two long straight parallel current carrying conductors are kept ‘a’ distant apart in air. The direction of current in both the conductors is same. Find the magnitude of force per unit length and direction of the force between them. Hence define one ampere.