Magnetic Effects of Current and Magnetism (AIIMS 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

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 current Equation . 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]

A rectangular loop situated near a straight wire

A Rectangular Loop Situated Near a Straight Wire

In figure a rectangular loop carrying current i1 is situated near a long straight wire carrying a steady current i2. The wire is parallel to one of the side of loop.

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

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

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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