Why is controlling torque required to balance electrostatic torque in electrostatic voltmeters, making its presence essential despite non-linear deflection?

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Electrical Engineering · Electrical Measurements

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Because electrostatic force is proportional to the square of the voltage

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Answer 1

Because electrostatic force is proportional to the square of the voltage

Answer 2

Because deflection is naturally self-limiting due to mechanical design

Answer 3

Because electrostatic instruments are never used for DC measurements

Answer 4

Because external control devices are mandatory in the measuring circuit

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