A plastic rod is rubbed with a dry cloth and becomes positively charged. Why has the rod become positively charged?
1 )
It has gained electrons.
2 )
It has gained neutrons.
It has lost electrons.
4 )
It has lost neutrons.
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...