Physics · Instrumentation
निम्नलिखित में से कौन सा उपकरण केवल दिष्ट धारा (DC) के मापन के लिए उपयुक्त है?
- 1तप्त-तार (Hot-wire) उपकरण
- 2विद्युत-गतिमापी (Electrodynamometer) प्रकार
- 3स्थायी चुंबक चल कुंडली (PMMC) प्रकार✓
- 4चल लौह (Moving iron) प्रकार
सही उत्तर देखें
स्थायी चुंबक चल कुंडली (PMMC) प्रकार
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