Magnetic Effects of Current and Magnetism (AIIMS (All India Institute of Medical Sciences) Physics): Questions 11 - 14 of 49

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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 is situated near a long straight wire carrying a steady current. 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.

b.

c.

d.

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.

c.

d.

Question number: 14

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

Appeared in Year: 1995

MCQ▾

Question

A beam of electrons moving along + y direction enters in a region of uniform electric and magnetic fields. If the beam goes undeflected through this region then field (B) and (E) are directed respectively: [AIIMS]

Choices

Choice (4) Response

a.

-y axis and -z axis

b.

-x axis and -y axis

c.

+x axis and -x axis

d.

+z axis and -x axis

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