Mathematics · Electrical Measurements
In a moving-iron ammeter, the deflecting torque varies as Td ∝ I2, and the controlling torque varies linearly with deflection angle θ. If full-scale current produces θ = 90°, determine the deflection angle corresponding to 50% of the full-scale current.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 160.0°
- 230.0°
- 345.0°
- 422.5°✓
Correct answer
22.5°
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