Magnetic Effects of Current and Magnetism (AIIMS Physics): Questions 6 - 9 of 49

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Question number: 6

» Magnetic Effects of Current and Magnetism » Electromagnets and Permanent Magnets

Appeared in Year: 1999

MCQ▾

Question

A charged particle enters a magnetic field B with its initial velocity making an angle of 45° with B. The path of the particle will be: [AIIMS]

Choices

Choice (4) Response

a.

A helix

b.

An ellipse

c.

A circle

d.

A straight line

Question number: 7

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

Appeared in Year: 2003

MCQ▾

Question

A frog can be levitated in a magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behaves as – [AIIMS]

Choices

Choice (4) Response

a.

Antiferromagnetic

b.

Paramagnetic

c.

Ferromagnetic

d.

Diamagnetic

Question number: 8

» Magnetic Effects of Current and Magnetism » Magnet Oscillations

Appeared in Year: 2000

MCQ▾

Question

A magnet makes 40 oscillations per minute at a place having magnetic field of 0.1×105T . At another place, it takes 2.5 sec to complete one vibration. The value of earth’s horizontal field at that place is: [AIIMS]

Choices

Choice (4) Response

a.

0.66×106T

b.

1.2×106T

c.

0.36×106T

d.

0.25×106T

Question number: 9

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

Appeared in Year: 2003

MCQ▾

Question

An electron is traveling along the x-direction. It encounters a magnetic field in the y-direction. Its subsequent motion will be – [AIIMS]

Choices

Choice (4) Response

a.

A circle in the xy-plane.

b.

A circle in the zx-plane.

c.

Straight line along the x-direction.

d.

A circle in the yz-plane.

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