Magnetic Effects of Current and Magnetism (AIIMS (All India Institute of Medical Sciences) Physics): Questions 10 - 13 of 49

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Question number: 10

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

Appeared in Year: 2000

MCQ▾

Question

Magnetic permeability is maximum for – [AIIMS]

Choices

Choice (4) Response

a.

Paramagnetic substance

b.

Diamagnetic substance

c.

Ferromagnetic substance

d.

All of the above

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Question number: 11

» Magnetic Effects of Current and Magnetism » Current Loop as Magnetic Dipole

Appeared in Year: 2003

MCQ▾

Question

A rectangular loop carrying a current Equation is situated near a long straight wire carrying a steady currentEquation . The wire is parallel to one of the sides of the loop and is in the plane of the loop as shown in the figure. Then the current loop will – [AIIMS]

Choices

Choice (4) Response

a.

Move away from the wire

b.

Rotate about an axis parallel to the wire.

c.

Remain stationary.

d.

Move towards the wire

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Question number: 12

» Magnetic Effects of Current and Magnetism » Magnetic Moment

Appeared in Year: 2005

MCQ▾

Question

The magnetic moment (µ) of a revolving electron around the nucleus varies with principal quantum number n as – [AIIMS]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 13

» Magnetic Effects of Current and Magnetism » Magnetic Moment

Appeared in Year: 2004

MCQ▾

Question

The magnetic moment of a current (I) carrying circular coil of radius (r) and number of turns (n) varies as – [AIIMS]

Choices

Choice (4) Response

a.

r

b.

Equation

c.

Equation

d.

Equation

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