1.

What is in terms of voltage?

A. =cos<sup>-1</sup>V/V<sub>R</sub>
B. =cos<sup>-1</sup>V*V<sub>R</sub>
C. =cos<sup>-1</sup>V<sub>R</sub>/V
D. =tan<sup>-1</sup>V/V<sub>R</sub>
Answer» D. =tan<sup>-1</sup>V/V<sub>R</sub>


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