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NEET · Physics · STD 12 - 3. current electricity

यदि परिपथ में धारामापी \(G\) कोई विक्षेप नहीं दर्शाता है, तब \(R\) का मान \(...........\Omega\) होगा

  1. A \(400\)
  2. B \(200\)
  3. C \(50\)
  4. D \(100\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(100\)

Step-by-step Solution

Detailed explanation

Since galvanometer does not show any deflection \(\Rightarrow i_g=0\) \(\frac{10-2}{400}=\frac{2}{R} \Rightarrow R=\frac{2 \times 400}{8}=100\,\Omega\)
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