Magnetic Effects of Current and Magnetism-Magnet Oscillations (AIIMS Physics): Questions 1 - 4 of 4

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Question number: 1

» 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: 2

» 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: 3

» Magnetic Effects of Current and Magnetism » Magnet Oscillations

MCQ▾

Question

A magnet makes 30 oscillations per minute at a place having magnetic field of 0.2×105T . At another place, it takes 1.5 sec to complete one vibration. The value of earth’s horizontal field at that place is:

Choices

Choice (4) Response

a.

0.422×106T

b.

1.2×106T

c.

0.560×106T

d.

0.355×106T

Question number: 4

» Magnetic Effects of Current and Magnetism » Magnet Oscillations

MCQ▾

Question

A compass needle oscillates 10 times per minute at a place where dip is 60° and 30 times per minute where the dip is 30° . Compare the total magnetic field of earth at two places.

Choices

Choice (4) Response

a.

33

b.

3

c.

3

d.

23

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