The Shape of the Earth's Magnetic Field Is Approximately That

question 55

Multiple Choice

The shape of the Earth's magnetic field is approximately that of a

• A) monopole,as would be produced by just one pole of a magnet.
• B) dipole,such as that produced by a bar magnet.
• C) torus,a doughnut-shaped ring parallel to the Earth's equator.
• D) sphere,following the shape of the Earth.

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Definitions:

Control Relay Contacts

Components in a relay used to open or close an electrical circuit, thereby controlling the flow of electricity based on a control signal.

Contactors

Electrically controlled switches used for switching an electrical power circuit, similar to a relay but with higher current ratings.

Solid-state Proximity Sensor

A sensor that detects the presence of an object without physical contact, using solid-state electronics for high reliability and durability.