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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 cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
- If R is the radius of the earth and g is the acceleration due to gravity
- If light emitted from sodium bulb is passed through sodium vapour,
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- The excess pressure inside one soap bubble is three times that inside a second soap bubble
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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