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JEE Mains · Physics · STD 12 - 3. current electricity

नीचे दिए हुए परिपथ में, धारा \(I_1\) का परिमाण \(\mathrm{A}\) होगा।

  1. A \(2\)
  2. B \(3\)
  3. C \(4\)
  4. D \(1\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(1\)

Step-by-step Solution

Detailed explanation

Junction law at \(A4\), \(\frac{x-(y+5)}{1}+\frac{x-2}{2}+\frac{x-0}{2}=0\) Junction law at \(B\), \(\frac{y+5-x}{1}+\frac{y-0}{1}+\frac{y-2}{1}=0\) On solving equation (1) and Equation (2) \(x =3\) \(y=0\) At \(D\) junction \(I_1 =i_1+i_2\) \(I_1 =\frac{y-0}{1}+\frac{x-0}{2}\)…
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