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Two thin long conductors seprated by a distance d carry currents I₁ and I₂ in the same direction. They exert a force F on each other. Now, the current in one of them is increased to two times and its direction is reversed. The distance is also increased to 3d. The new value of force between them is
Options
(a) (-2F)
(b) F/3
(c) (-2F/3)
(d) (-F/3)
Correct Answer:
(-2F/3)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The dimensions of pressure are equal to those of
- In an AC circuit the potential differences across an inductance and resistance joined
- α-particles, deuterons and protons of same energy are moving in a perpendicular
- A source of light is placed at a distance of 50 cm from a photocell and the stopping
- A particle of unit mass undergoes one-dimensional motion such that its velocity varies
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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