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Two charges of equal magnitude q are placed in air at a distance 2a apart and third charge -2q is placed at mid-point. The potential energy of the system is (where, ε₀=permitivity of free space)
Options
(a) (-q²/8πε₀a)
(b) (-3q²/8πε₀a)
(c) (-5q²/8πε₀a)
(d) (-7q²/8πε₀a)
Correct Answer:
(-7q²/8πε₀a)
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
- Two coils of self inductance 2 mH and 8 mH are placed so close together
- The work function for metals A,B abd C are respectively 1.92 eV,2.0 eV and 5 eV.
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- Two closed organ pipes when sounded simultaneously give 4 beats/second.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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