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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
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A round disc of moment of inertia i₂ about its axis perpendicular to its plane
- A wire having resistance 12Ω is bent in the form of an equilateral triangle.
- A plane polarised light is incident normally on a tourmaline plate. Its E vector make
- A force F=ai+3j+6k is acting at a point r=2i-6j-12k. The value of α for
- Two pendulums A and B are oscillating simultaneously with time period
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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