Question

when a plastic ruler is rubbed with a woolley cloth it gets​

Answer 1

Answer:

: If the plastic ruler is rubbed vigorously with a woolen cloth, then they get both positively and negatively charged. Explanation: When the ruler is rubbed with a woolen cloth, the ruler will get a positive charge and the woolen cloth will get a negative charge

Answer 2

Answer:

When you rub the atoms in wool against the atoms in plastic, some of the outer electrons from the atoms in the wool get rubbed off, and they stick to the atoms in the plastic ruler. The surface of the plastic ruler gets coated with the electrons rubbed off the atoms in the wool.