Physics · Electric Current and Circuits
परिपथ को तोड़े बिना प्रतिरोध को लगातार बदलने के लिए विद्युत परिपथ में आमतौर पर किस घटक का उपयोग किया जाता है?
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रियोस्टैट (धारा नियंत्रक)
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