Physics · Magnetic Effects of Current
A, B and C are three long parallel straight conductors of equal lengths carrying currents I, I and 2I respectively in the directions shown. The distance between AB and BC is d. If F1 is the magnetic force exerted by B on A, and F2 is the magnetic force exerted by C on A, then which of the following relations is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1F1 = 12F2
- 2F1 = 2F2
- 3F1 = -F2✓
- 4F1 = F2
Correct answer
F1 = -F2
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