Physics · Electrical Measuring Instruments
इलेक्ट्रोमीटर उपकरणों (electrometer instruments) में हेयर-स्प्रिंग (hair-springs) आमतौर पर निम्नलिखित में से किस सामग्री से बने होते हैं?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1एल्युमिनियम (Aluminum)
- 2फॉस्फर ब्रॉन्ज (Phosphor bronze)✓
- 3तांबा (Copper)
- 4पीतल (Brass)
सही उत्तर देखें
फॉस्फर ब्रॉन्ज (Phosphor bronze)
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