Mathematics · Current Electricity - Measuring Instruments
100 Ω प्रतिरोध का एक चल कुंडली धारामापी (moving coil galvanometer) 1 mA की धारा के लिए पूर्ण पैमाना विक्षेप दिखाता है। इस धारामापी को 5 mA की धारा के लिए पूर्ण पैमाना विक्षेप दिखाने वाले अमीटर में बदलने के लिए आवश्यक प्रतिरोध का मान _____ Ω होगा।
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