MCQ
Positive charge inside $2^{ He ^4}$ atom is __________ .
- A$1.6 \times 10^{-19} c$
- B$2 \times 1.6 \times 10^{-19} c$
- C$4 \times 1.6 \times 10^{-19} C$
- Dzero coulomb
✓
Answer
B. $2 \times 1.6 \times 10^{-19} c$
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