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WITCHER [35]
3 years ago
13

What is electromagnet and list the types of electromagnet.​

Physics
2 answers:
sineoko [7]3 years ago
3 0

Answer:

radio waves, micro wave, x-rays

Explanation:

Dima020 [189]3 years ago
3 0

Explanation:

A MAGNET IN WHICH MAGNETIC FIELD IS PRODUCED BY ELECTRIC CURRENT IS CALLED ELECTROMAGNET.

THE ELECTROMAGNETS ARE HAVE 3 TYPES. THERE ARE:

◇ ROBUST ONES

◇ THE SUPERCONDUCTORS

◇ HYBRIDS.

<h3>EXAMPLES OF ELECTROMAGNETS: RADIO WAVES, MICROWAVE, X-RAYS. </h3>

<h3>HOPE IT HELP...❤❤</h3>
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The gravity acts in the direction of the displacement, which in this case is negative (ground - top shelf), and so the resulting work is negative. The work is calculated as:

W_g = mg\Delta h = 30kg\cdot 9.8\frac{m}{s^2}\cdot(0-1.75)m=-514.5J

The work done by gravity moving the box up is -514.5 Joules.


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3 years ago
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