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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 proton carrying 1 MeV kinetic energy is moving in a circular path of radius
- Alternating current cannot be measured by D.C Ammeter because
- For a satellite escape velocity is 11 kms⁻¹.If the satellite is launched at an angle
- A particle has initial velocity(3i⃗ +4j⃗)and has acceleration (0.4i⃗ +0.3j⃗)
- A 36 Ω galvanometer is shunted by resistance of 4 Ω. The percentage of the total current
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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