If equivalent resistance between A and B is then find the …

Physics JEE Main Full Syllabus Mock Test 75 Question New Syllabus TEST 14 PCM MCQ (Single Correct)

If equivalent resistance between A and B is then find the value of x.

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(8)

After distribution of current using kirchhoff's loop rule for

Loop a or
Loop b - or
Loop c

or
Solving for and we get

Here so, no distribution of current takes place at D so it is a pseudo junction. The equivalent circuit becomes

Resistance of triangle DCE is R parallel to
Resistance of network other than
Equivalent resistance between AB

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