Physics · Electrical Measurements
स्प्रिंग-नियंत्रित मापक यंत्र (spring-controlled instrument) में, नियंत्रक टॉर्क (controlling torque) किसके द्वारा प्रदान किया जाता है?
- 1मरोड़ स्प्रिंग्स (Torsion springs)✓
- 2वायु वेन (Air vanes)
- 3स्थायी चुंबक (Permanent magnets)
- 4द्रव जेट (Fluid jets)
सही उत्तर देखें
मरोड़ स्प्रिंग्स (Torsion springs)
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