Mathematics · Magnetic Effect of Electric Current
An electric current 'i' enters and leaves a uniform circular wire of radius 'a' through diametrically opposite points. A charged particle 'q' moving along the axis of the circular wire passes through its center at speed 'v'. The magnetic force acting on the particle when it passes through the center has magnitude:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 2qvμ0ia
- 3qvμ0i2πa
- 4qvμ0i2a
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