Why only electron can transfer from one body to another body in frictional electrics ?
Why the metal rods can’t be charged by holding them in hands ?
Give examples of non-conductors and conductors.
Who represented the quantization of electric charge first and on what basis ?
What are called electrically charged and electrically neutral bodies ?
How can you represent experimentally that $(i)$ there are two types of charges and $(ii)$ there is repulsion between two like charges and attraction between two unlike charges ?