Physics · Electrical Measuring Instruments
Why is a braking system (permanent magnet) used in an induction-type energy meter?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To decrease the friction in the moving parts
- 2To maintain a uniform rotation proportional to power consumption✓
- 3To increase the speed of the rotating disc
- 4To reduce the power consumption of the meter itself
Correct answer
To maintain a uniform rotation proportional to power consumption
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