Help plz you and your classmates are experimenting with things that can affect with strength of an electromagnet. the data table records the number of paper clips picked up by an electromagnet with 50 coils of wiring at differing voltages. What conclusion can you draw from your data?

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

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