1.

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

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


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