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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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- Two cells, having the same e.m.f. are connected in series through an external resistance
- 300j work is done in sliding a 2kg block up an inclined plane of height 10m
- A ball is thrown vertically downwards from a height of 20 m with an initially
- A particle of mass m is projected with a velocity v making an angle of 45°
- A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
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Subject: Physics (2479)
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