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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
- The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
- The intensity of magnetisation of a bar magnet is 5×10⁴ Am⁻¹. The magnetic length
- The resistance of a carbon resistor of colour code Red-Red Green Silver is(in kΩ)
- When there is no heat change from surroundings in a system, then the process
- The energy released in the fission of 1 kg of ₉₂U²³⁵ is (energy per fission = 200 MeV)
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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