A device used for detecting and testing the nature of charge on a body is ______?
A device used for detecting and testing the nature of charge on a body is ______?
جسم پر چارج کی نوعیت کا پتہ لگانے اور جانچنے کے لئے استعمال ہونے والا ایک آلہ ______ ہے؟
Explanation
An electroscope detects the presence and type of electric charge on a body.
It shows whether the charge is positive or negative by the movement of its leaves.