100 watt, $220 V$ रेटिंग का बल्व $240 V$ के साथ जोड़ा जाता है। विद्युत शक्ति क्षय की गणना करें।
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100 watt, $220 V$ रेटिंग का बल्व $240 V$ के साथ जोड़ा जाता है। विद्युत शक्ति क्षय की गणना करें।

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Ans : $R=\frac{V^{2}}{P}=\frac{220 \times 220}{100}=484 \Omega ; P_{2}=\frac{V_{2}^{2}}{R}=\frac{240 \times 240}{484}=119 W$

$\therefore$ विद्युत शक्ति की क्षय $=P_{2}-P_{1}=119-100=19$ watt.

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