WE CALCULATE POWER AND RATE OF DOING WORK IS CALLED POWER
Answer: A material that does not easily allow a charge to pass through it is called an Plastic and rubber are good insulators. Many types of electric wire are covered with plastic, which insulates well. The plastic allows a charge to be conducted from one end of the wire to the other, but not through the sides of the wire.
Explanation:
Answer:
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Explanation:
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It is a battery (the long and short lines represent 2 cells)
<em>number of waves that pass a given point in one second is called <u>frequency..</u></em>