P23_047 - 47. Eq. 23-35 ( = pE sin ) captures the sense as...

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47. Eq. 23-35 ( τ = pE sin θ ) captures the sense as well as the magnitude of the eFect. That is, this is a restoring torque, trying to bring the tilted dipole back to its aligned equilibrium position. If the amplitude of the motion is small, we may replace sin θ with θ in radians. Thus, τ ≈− pEθ .S i
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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