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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
- The voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
- A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
- A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire
- A galvanometer has a coil of resistance 100 ohm and gives a full-scale deflection
- The oscillation of a body on a smooth horizontal surface is represented by the equation
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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