Magnetic Effects of Current and Magnetism (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 5 of 49

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Question number: 1

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

Appeared in Year: 2004

MCQ▾

Question

Liquid oxygen remains suspended between two pole faces of a magnet because it is [AIIMS]

Choices

Choice (4) Response

a.

Diamagnetic

b.

Antiferromagnetic

c.

Paramagnetic

d.

Ferromagnetic

Question number: 2

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

Appeared in Year: 1999

MCQ▾

Question

Two identically charged particles A and B initially at rest are accelerated by a common potential difference V. They enter into a uniform transverse magnetic field B and describe a circular path of radii r1, and r2 respectively then their mass ratio is: [AIPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

Appeared in Year: 2004

MCQ▾

Question

Two parallel beams of positrons moving in the same direction will – [AIIMS]

Choices

Choice (4) Response

a.

Will not interact with each other

b.

Attracts to each other

c.

Be deflected normal to the plane containing the two beams

d.

Repel to each other

Question number: 4

» Magnetic Effects of Current and Magnetism » Magnet Oscillations

Appeared in Year: 1996

MCQ▾

Question

The period of oscillation of a vibration magnetometer depends on the following factors – [AIIMS]

Choices

Choice (4) Response

a.

I and H only

b.

I and M only

c.

M and BH only

d.

I, M and BH only

Question number: 5

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

Appeared in Year: 2006

MCQ▾

Question

Circular loop of a wire and a long straight wire carry currents IC and Ie, respectively as shown in figure. Assuming that these are placed in the same plane, the magnetic fields will be zero at the centre of the loop when the separation H is – [AIIMS]

A circular loop of a wire and a long straight wire

A Circular Loop of a Wire and a Long Straight Wire

In figure a circular loops of a wire and a long straight wire carry current IC and i.e., respectively are shown.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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