Question

Explain the magnetism of the earth.what are electromagnets?Give their uses.​

Answer 1

Answer:

your answer is here buddy......

• Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth's interior out into space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun.

• electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through it. ... An electromagnet works because an electric current produces a magnetic field.

• USES.... Without electromagnets, the mobiles and the telephones we use to make phone calls over long distance could not have taken shape. The electromagnetic pulses and the interaction of the signals make the mobiles and telephones very handy.

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Answer 2

Answer:

Physics is the natural science that studies matter, its motion and behavior through space and time, and that studies the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.