NEETPhysicsElectrostatics
Which of the following correctly estimates the number of electrons transferred when a polythene piece is rubbed with wool to obtain a negative charge of 3 × 10–7 C?
Options
- A1.6 × 10 ¹² electrons from wool to polythene.
- B3 × 10 ⁷ electrons from polythene to wool.
- C2 × 10 ¹² electrons from wool to polythene.
- D3 × 10 ⁶ electrons from polythene to wool.
Correct answer
C. 2 × 10 ¹² electrons from wool to polythene.
Step-by-step solution
Correct Option is : (C) 2 × 10 ¹² electrons from wool to polythene.