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electronics and communication engineering exam question papers
1. convert into spherical co-ordinates.
(A): A = 2 sinΦ[sinΦ tanΦa r + sinΦa θ + a Φ]
(B): A = 2 sinΦ[sinΦ tanΦa r - sinΦa θ - a Φ]
(C): A = 2 sinθ[sinθ tanΦa r + sinΦa θ + a Φ]
(D): none of these
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By: guest on 02 Jun 2017 12.55 am
Spherical : Ar = A . a r =.sinθ.sinφ = Aθ = A . a θ =.cosφsinφ = 2 sin2φ Aφ = Aa φ =cosφ = 2 sinφ ∴ A = a r + 2sin2φa θ + 2sinφa φ A = 2sinφ[sinθ tanφ a r + sinφa θ + a φ].
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