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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
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When a mass M is attached to the spring of force constant k,
- A ball is projected upwards from the foot of a tower. The ball crosses the top
- A coil of resistance and 1.0 H inductance is connected to an a.c. source of frequency
- In a circuit, the current lags behind the voltage by a phase difference of π/2.
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
Topics: Electrostatics (146)
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