Question

What is the resistance between A and B in the figure given below ?
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Answer 1

Answer

now the 20,20 , outermost 10 ohm resistors are in series

so their equivalent resistor is 50 ohm

now this 50 ohm and 30 ohm resistors are parellel so ,

their equivalent resistor is 1500/80=150/8 ohm

now this 150/8 and the 2, 10 ohm resistors are in series. So add them

so , the answer is

310/8