Discussion :: Exam Questions Paper
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convert into spherical co-ordinates.
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A.
A = 2 sinθ[sinθ tanΦa r + sinΦa θ + a Φ]
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B.
A = 2 sinΦ[sinΦ tanΦa r + sinΦa θ + a Φ]
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C.
A = 2 sinΦ[sinΦ tanΦa r - sinΦa θ - a Φ]
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D.
none of these
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Answer : Option D
Explanation :
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 + 2sinφaφ
A = 2sinφ[sinθ tanφ a r + sinφa θ + aφ].
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