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

दिये गये परिपथ में विभिन्न शाखाओं में धारा और एक प्रतिरोध का मान दिखाये गये हैं। बिन्दु \(A\) के सापेक्ष बिन्दु \(B\) का विभव \(.......V\) है।

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

Answer & Solution

Correct Answer

(A) \(+1\)

Step-by-step Solution

Detailed explanation

Let us asssume the potential at \(A=V_{A}=0\) Now at junction \(C,\) According to \(KCL\) \(i_{1}+i_{3}=i_{2}\) \(1 A + i _{3}=2 A\) \(i _{3}=2 A\) Now Analyse potential along \(ACDB\) \(v_{A}+1+i_{3}(2)-2=v_{B}\) \(0+1+2(1)-2=v_{B}\) \(v_{B}=3-2\) \(v_{B}=1 Amp\)
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