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Simplify Derivation + Integration

Simplify Derivation + Integration

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I need to answer the question in 30 minutes. Simplify Derivation + Integration.
(b) The work done can be found in two ways, using either E or V Method 1: W = -QE.dL Where, dl = dra, + rdla, +r sin e dpa, A(1, 30°, 120°); A'(4, 30°, 120°); dL=drar A'(4, 30°, 120°); d=rdeag B'(4,90°, 120); B'(4,90°, 120°);- B(4, 90°, 60°) dl=rsin ddpas 20 10 10 E.dL =sin 8 cos o.dr -cos e cos o.rde + sin o. dộ 90 10 10 W = -Q sin 6 cos o. dr z cos e cos o de sin o do 0=30 o120 120 d120 8=90 W = 28.125 µJ
Transcribed Image Text:(b) The work done can be found in two ways, using either E or V Method 1: W = -QE.dL Where, dl = dra, + rdla, +r sin e dpa, A(1, 30°, 120°); A'(4, 30°, 120°); dL=drar A'(4, 30°, 120°); d=rdeag B'(4,90°, 120); B'(4,90°, 120°);- B(4, 90°, 60°) dl=rsin ddpas 20 10 10 E.dL =sin 8 cos o.dr -cos e cos o.rde + sin o. dộ 90 10 10 W = -Q sin 6 cos o. dr z cos e cos o de sin o do 0=30 o120 120 d120 8=90 W = 28.125 µJ
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