Physics · Electrical Engineering
In the measurement of 3-phase power by the two-wattmeter method for a balanced load, the power factor (cos φ) is given by which of the following expressions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1cos{tan-1((W2 + W1)/(W1 - W2))}
- 2cos{tan-1[√3((W2 - W1)/(W1 + W2))]}✓
- 3cos{tan-1[3((W2 - W1)/(W1 + W2))]}
- 4cos{tan-1[√3((W2 + W1)/(W1 - W2))]}
Correct answer
cos{tan-1[√3((W2 - W1)/(W1 + W2))]}
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Electrical Engineering MCQs →Want more practice questions on Electrical Engineering?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Electrical Engineering