Q: If a current of 0.4 ampere flows through a metallic wire for 1 hour, then how many electrons would flow through the wire?/यदि किसी धातु के तार में 1 घंटे तक 0.4 ऐम्पियर की धारा प्रवाहित होती है,तो तार में कितने इलेक्ट्रॉन प्रवाहित होंगे?
A.
9 ×10²²
B.
9 ×10²¹
C.
4.5 ×10²¹
D.
4.5 ×10²²
Correct Answer:
Option B -
Explanations:
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