Which of the following statements are correct regarding the transfer of charge?
S1: Charging by rubbing involves transfer of electrons between two objects.
S2: Metals are good conductors of electricity and help in the transfer of charge.
S3: Non-conductive materials cannot transfer charge.
S4: Earthing helps in safely transferring charge to the ground.
1
All are correct.
2
Only S1, S2, and S4 are correct.
3
Only S2, S3, and S4 are correct.
4
Only S1 and S2 are correct.