Geomagnetism MCQs with Answers

The process by which a material becomes magnetized in the direction opposite to an external magnetic field is called:

The magnetic field lines around Earth form patterns resembling those of a:

Magnetic declination is the angle between:

Earth's magnetic field is aligned with its rotational axis at the:

Earth's magnetic field is generated by the motion of molten iron and nickel in the:

The region on Earth's surface where the compass needle points due north is called the:

The process by which a material becomes magnetized in the direction of an external magnetic field is called:

Earth's magnetic field is strongest near the:

The angle between Earth's magnetic field lines and the horizontal plane is called:

The inclination of Earth's magnetic field refers to the angle between the magnetic field lines and the:

The study of Earth's magnetic field and its variations is known as:

The intensity of Earth's magnetic field is weakest at the:

Magnetic anomalies are deviations in Earth's magnetic field caused by variations in:

The magnetic equator is an imaginary line on Earth's surface where:

Magnetic anomalies on Earth's surface are often associated with:

The region where charged particles are trapped by Earth's magnetic field is called the:

The region surrounding Earth where its magnetic field protects against solar wind is known as the:

The region of Earth's magnetic field where the magnetic field lines are vertical is known as the:

Earth's magnetic field is primarily generated in the:

The point where Earth's magnetic field lines are horizontal is called the:

The auroras in the Earth's atmosphere are caused by:

The variation of Earth's magnetic field strength with location is called:

Earth's magnetic field is primarily generated in the:

The magnetopause is the boundary between:

The angle between a compass needle and the horizontal component of Earth's magnetic field is called:

The intensity of Earth's magnetic field is measured using devices called:

The region surrounding Earth where its magnetic field interacts with solar wind is known as the:

The magnetic field lines emerge from the Earth's surface near the:

The point on Earth's surface directly above the center of the magnetic field is called the:

The intensity of Earth's magnetic field is measured in units of:

The Earth's magnetic field is generated by:

The location on Earth's surface where the magnetic field points vertically downward is called the:

The point where Earth's magnetic field lines converge vertically downward is called the:

The magnetosphere is formed by:

The area around Earth where its magnetic field influences the motion of charged particles is called:

The auroras in the Earth's atmosphere are caused by:

The point where Earth's magnetic field lines converge vertically upward is called the:

The process by which rocks acquire a permanent magnetic field parallel to Earth's magnetic field during cooling is called:

Magnetic anomalies are often measured using:

The Van Allen belts are zones of: