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A body has 80 microcoulomb of charge. Number of additional electrons in it will be
Options
(a) 8 x 10⁵
(b) 80 x 10¹⁷
(c) 5 x 10¹⁴
(d) 1.28 x 10¹⁷
Correct Answer:
5 x 10¹⁴
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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(146)
Subject: Physics
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- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
- If the image formed by a convex mirror of focal length 30 cm is a quarter of the size
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- The root mean square speed of oxygen molecule (O₂) at a certain temperature is v.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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By applying the formula
q=+ne
80=1.6*10^-19 which is the charge of an electron
Ans. 5*10^14