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$400W-200V$ চিহ্নিত বাল্বের রোধ কত?

BB 22

$\begin{aligned} R & =\frac{V^{2}}{p} \\ & =\frac{200^{2}}{400} \\ & =100 \Omega\end{aligned}$

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400W−200V400W-200V400W−200V চিহ্নিত বাল্বের রোধ কত?

R=V2p=2002400=100Ω \begin{aligned} R & =\frac{V^{2}}{p} \\ & =\frac{200^{2}}{400} \\ & =100 \Omega\end{aligned} R​=pV2​=4002002​=100Ω​

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$400W-200V$ চিহ্নিত বাল্বের রোধ কত?

$\begin{aligned} R & =\frac{V^{2}}{p} \\ & =\frac{200^{2}}{400} \\ & =100 \Omega\end{aligned}$