| ⇦ | 
| ⇨ |
what is the electric potential at a distance of 9cm from 3nC?
Options
(a) 270V
(b) 3V
(c) 300V
(d) 30V
Correct Answer:
300V
Explanation:
Given, q = 3 nC = 3 × 10⁻⁹ C and r = 9 cm = 9 × 10⁻² m
We know that, potential due to point charge is given by V = (1 / 4πε₀) (q / r)
= (9 × 10⁹ × 3 × 10⁻⁹) / 9 × 10⁻² = 3 × 10²
⇒ Electric potential, V = 300 V
Related Questions: - A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
- Temperature is a measurement of coldness or hotness of an object.
- An LCR circuit contains resistance of 100 ohm and a supply of 200 volt at 300 radian
- A projectile is fired at an angle of 45° with the horizontal
- A body of mass 3 kg is under a constant force which cause a displacement
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
- Temperature is a measurement of coldness or hotness of an object.
- An LCR circuit contains resistance of 100 ohm and a supply of 200 volt at 300 radian
- A projectile is fired at an angle of 45° with the horizontal
- A body of mass 3 kg is under a constant force which cause a displacement
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply