Physics · Electrical Measurements
How does the power factor affect the reading of a wattmeter if the voltage and current remain unaltered?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The reading increases with the square of the power factor.
- 2The reading is independent of the power factor.
- 3The reading decreases with an increase in the power factor.
- 4The reading increases with an increase in the power factor.✓
Correct answer
The reading increases with an increase in the power factor.
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