Physics · Measuring Instruments
Which of the following characteristics is true for spring control when used as a controlling force in measuring instruments?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is completely independent of temperature variations.
- 2The instrument must be perfectly levelled to avoid gravitational errors.
- 3Since the controlling torque is directly proportional to the deflection angle, it yields a uniform scale when deflecting torque is linear with current.✓
- 4It can be used only in vertically mounted instruments.
Correct answer
Since the controlling torque is directly proportional to the deflection angle, it yields a uniform scale when deflecting torque is linear with current.
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