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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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Topics: Electrostatics
(146)
Subject: Physics
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- A comb run through one’s dry hair attracts small bits of paper. This is due to
- The coefficient of mutual inductance of two coils is 6 mH. If the current flowing
- If wavelength of a wave is λ=6000 Å, then wave number will be
- The threshold frequency for a photosensitive metal is 3.3 x 10¹⁴ Hz.
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
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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