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If the force exerted by an electric dipole on a charge q at a distance of 1 m is F, the force at a point 2 m away in the same direction will be
Options
(a) F/2
(b) F/4
(c) F/6
(d) F/8
Correct Answer:
F/8
Explanation:
Field of a dipole at a distance d along the axis or perpendicular to the axis is inversely proportional to r³. That is F/8 is the force at the given point, 2 m away if F is the force at 1 m, on the same charge q.
Related Questions: - The unit of thermal conductivity is
- All components of the electromagnetic spectrum in vacuum have the same
- If the value of potential in an A.C circuit is 10 V, the peak value of potential is
- If in a p-n junction, a square input signal of 10 V is applied as shown, then the output
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The unit of thermal conductivity is
- All components of the electromagnetic spectrum in vacuum have the same
- If the value of potential in an A.C circuit is 10 V, the peak value of potential is
- If in a p-n junction, a square input signal of 10 V is applied as shown, then the output
- The current gain of a transistor in common base configuration is 0.96.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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