A particle enters normally into a uniform magnetic strip. Its magnetic radius r is fixed while the strip width d is increased from 0 toward r. Which statements are correct?
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Question

A particle enters normally into a uniform magnetic strip. Its magnetic radius r is fixed while the strip width d is increased from 0 toward r. Which statements are correct?

G1 Physics · Accepted Answer

For d≤r, sinφ=d/r. Thus φ and t=φ/ω increase with d. At d=r, φ=90° and the orbit is tangent to the far boundary.