MCQ
एक कूलॉम आवेश में कितने इलेक्ट्रॉन होंगे-
- A$5.46 \times 10^{29}$
- B$6.25 \times 10^{18}$
- C$1.6 \times 10^{19}$
- D$9 \times 10^{11}$
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