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.
answered: Guest
a displacement distance is size of displ
answered: Guest
v=ir = 3x15 =45 v
answered: Guest
The answer is b.the gaseous state is electrically positive, while the plasma state is electrically negative.