Magnetic Effects of Current and Magnetism-Earth's Magnetic Field (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 4 of 5

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Question number: 1

» Magnetic Effects of Current and Magnetism » Earth's Magnetic Field

Appeared in Year: 2000

MCQ▾

Question

The magnetic needle of a tangent galvanometer is deflected at an angle 30°. The horizontal component of earth’s magnetic field Equation is along the plane of the coil. The magnetic field of coil: [AIIMS]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Magnetic Effects of Current and Magnetism » Earth's Magnetic Field

Appeared in Year: 1999

MCQ▾

Question

Angle of dip is 90° at: [AIIMS]

Choices

Choice (4) Response

a.

Magnetic equator

b.

Magnetic poles

c.

None of the above

d.

All of the above

Question number: 3

» Magnetic Effects of Current and Magnetism » Earth's Magnetic Field

Appeared in Year: 2005

Assertion-Reason▾

Assertion (Ꭺ)

In high latitudes one sees colorful curtains of light hanging down from high altitudes.

Reason (Ꭱ)

The high energy charged particles from the sun are defected to Polar Regions by the magnetic field of the earth.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are false

Question number: 4

» Magnetic Effects of Current and Magnetism » Earth's Magnetic Field

Appeared in Year: 2004

Assertion-Reason▾

Assertion (Ꭺ)

The true geographic north direction is found by using a compass needle.

Reason (Ꭱ)

The magnetic meridian of the earth is along the axis of rotation of the earth.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

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