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

\(1 \Omega\) અવરોધકમાંથી પસાર થતો પ્રવાહ \(\frac{\mathrm{n}}{10} \ A \) છે. \(n\) નું મૂલ્ય _______ છે.

  1. A \(20\)
  2. B \(25\)
  3. C \(30\)
  4. D \(35\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(25\)

Step-by-step Solution

Detailed explanation

\(\frac{y-5}{2}+\frac{y-0}{2}+\frac{y-x+10}{1}=0\) \(y-5+y+2 y-2 x+20=0\) \(4 y-2 x+15=0 \quad \ldots .(i)\) \(\frac{x-5}{4}+\frac{x-0}{4}+\frac{x-10-y}{1}=0\) \(x-5+x+4 x-40-4 y=0\) \(6 x-4 y-45=0 \quad . .(i)\) \(\frac{-2 x+4 y+15=0 . .(i i)}{4 x-30=0}\)…
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