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1. Consider an incremental vector element of length ΔL and angle between an electric field E and ΔL s cos θ. Then in which direction should ΔL be placed to be obtain maximum value of Δv?





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  • By: guest on 02 Jun 2017 12.56 am
    Now E is a definite value at the point which it is present and is independent of direction of ΔL. The magnitude of ΔL is constant and direction is along the unit vector. ∴ Maximum value of Δv will occur at cos θ = - 1 or ΔL points in opposite direction to E.
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