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GUJCET · Physics · Alternating Current

220 V સપ્લાય માટે એક વિધુત બલ્બ 200 W નું રેટિંગ ધરાવે છે, તો બલ્બનો અવરોધ કેટલો ?

  1. A \(220 \Omega\)
  2. B \(484 \Omega\)
  3. C \(242 \Omega\)
  4. D \(400 \Omega\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(242 \Omega\)

Step-by-step Solution

Detailed explanation

C.\(242 \Omega\)
પાવર \(P=\frac{V^2}{R}\)
\(\begin{array}{ll}\therefore R =\frac{ V ^2}{ P } \\ \therefore R =\frac{(220)^2}{200} \\ \therefore R =242 \Omega\end{array}\)
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