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what are the advantages ad disadvantages of EM waves? ​

Sagot :

Answer:

Advantages:

> Depending upon the electromechanical device used, you don't need an external electrical source to generate electrical power.

> You can generate either AC or direct-current (DC) electrical power.

Disadvantages:

> If you need to have a power source that must have a regulated current output, both AC and DC power generators would need to be run at a non-varying speed.

> These fields can be dangerous to some people who use sensitive medical equipment.

Explanation:

I hope I helped ;v;