MCQ
If an electron moves from rest from a point at which potential is $50$ volt to another point at which potential is $70$ volt, then its kinetic energy in the final state will be
- A$3.2 \times 10^{–10} J$
- ✓$3.2 \times 10^{–18} J$
- C$1 N $
- D$1$ dyne
