Question

Which, among the following, is the correct expression for φ.

a.

φ=tan¯¹ (XL/R)

b.

φ=tan¯¹ (R/XL)

c.

φ=tan¯¹ (XL*R)

d.

φ=cos¯¹ (XL/R)

Posted under Single Phase Series Circuits Basic Electrical Engineering

Answer: (a).φ=tan¯¹ (XL/R)

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Q. Which, among the following, is the correct expression for φ.
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