Mathematics · Electrical Aptitude
250 V रेटेड वाले एक तापदीप्त लैंप (incandescent lamp) द्वारा खपत की गई शक्ति की गणना करें जब इसमें 0.3 A की धारा प्रवाहित होती है और इसका प्रतिरोध 600 Ω है (P = I2R या P = V × I का उपयोग करते हुए)।
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