Physics · Electrical Measurements
मूविंग आयरन (MI) उपकरणों में नियंत्रण बलाघूर्ण (controlling torque) का विशिष्ट स्रोत क्या है?
- 1विद्युत चुम्बकीय बल
- 2स्प्रिंग तंत्र (Spring mechanism)✓
- 3गुरुत्वाकर्षण खिंचाव
- 4घर्षण
सही उत्तर देखें
स्प्रिंग तंत्र (Spring mechanism)
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