Class 12 Electrostatics Watch the lecture on Electrostatics Also read NCERT text book, Link Answer the questions given below Electric Charges and Fields Chapter 1 Fill in the blanks 1. The property which differentiates the two kinds of charges is called the _____________ of charge. 2. A simple apparatus to detect charge on a body is called _______________ electroscope. 3. To electrify a neutral body, we need ____________ or ___________ one kind of charge. 4. Some substances readily allow passage of electricity through them are called ______________ 5. When we bring a charged body in contact with the earth, all the excess charge on the body disappears by causing a momentary current to pass to the ground through the connecting conductor (such as our body). This process of sharing the charges with the eart