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Force on a Straight Wire #8211; If a current carrying straight conductor (length l) is placed in a uniform magnetic field B such that it makes an angle θ with the direction of field, than force experienced by it is F = BIl sinθ. (i) If θ = 0°, then F = 0 (ii) If θ = 90°, then F<sub>max</sub> = BIl (iii) In general, F = I(ltimes;B) or /F/ = BIl sinθ
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