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in Physics by (49.2k points)
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The equivalent resistance between A and B is

(a) 5 Ω

(b) 8 Ω

(c) 2.5 Ω

(d) 6.8 Ω

1 Answer

+1 vote
by (50.7k points)
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Best answer

Answer is : (a) 5Ω

Equivalent circuit is shown below

RCD = 2 + 2 + 2 = 6Ω

So, RAB = 1 + 1 + \(\left(\frac{6\times 6}{6+6}\right)\)

= 5Ω

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