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AI Gen: Magnetism Advanced question bank (Physics)

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Q1.

A long straight wire carries a current I. The magnetic field at a perpendicular distance r from the wire is B. At what distance from the wire is the magnetic field equal to B/2?

Topic: Magnetism Advanced | Source: AI Generated (JEE Advanced)

(A)

2 r

(B)

r / 2

(C)

4 r

(D)

sqrt(2) r

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Q2.

A proton and an alpha particle enter a uniform magnetic field perpendicularly with the same kinetic energy. The ratio of their radii of circular paths (r_proton : r_alpha) is:

Topic: Magnetism Advanced | Source: AI Generated (JEE Advanced)

(A)

1 : 1

(B)

1 : 2

(C)

2 : 1

(D)

1 : sqrt(2)

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