Single Phase Series Circuits on Electrical Engineering related Questions and Answers


Question :   Which, among the following, is the correct expression for f.
1. f=tan-1 (XL/R)
2. f=tan-1 (R/XL)
3. f=tan-1 (XL*R)
4. f=cos-1 (XL/R)
Answer :   1 - f=tan-1 (XL/R)  

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