1.

The complete solution of the current in the sinusoidal response of R-C circuit is?

A. i = e<sup>-t/RC</sup>[V/R cosθ+V/√(R<sup>2</sup>+(1/(ωC))<sup>2</sup>) cos⁡(θ+tan<sup>-1</sup>(1/ωRC))+V/√(R<sup>2</sup>+(1/ωC)<sup>2</sup>) cos⁡(ωt+θ+tan<sup>-1</sup>(1/ωRC)].
B. i = e<sup>-t/RC</sup>[V/R cosθ-V/√(R<sup>2</sup>+(1/ωC)<sup>2</sup>) cos⁡(θ+tan<sup>-1</sup>(1/ωRC))-V/√(R<sup>2</sup>+(1/ωC)<sup>2</sup>) cos⁡(ωt+θ+tan<sup>-1</sup>(1/ωRC)].
C. i = e<sup>-t/RC</sup>[V/R cosθ+V/√(R<sup>2</sup>+(1/ωC)<sup>2</sup>) cos⁡(θ+tan<sup>-1</sup>(1/ωRC))-V/√(R<sup>2</sup>+(1/ωC)<sup>2</sup>) cos⁡(ωt+θ+tan<sup>-1</sup>(1/ωRC)].
D. i = e<sup>-t/RC</sup>[V/R cosθ-V/√(R<sup>2</sup>+(1/(ωC))<sup>2</sup>) cos⁡(θ+tan<sup>-1</sup>(1/ωRC))+V/√(R<sup>2</sup>+(1/ωC)<sup>2</sup>) cos⁡(ωt+θ+tan<sup>-1</sup>(1/ωRC)].
Answer» E.


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