Question

Find the equivalent resistance between the points p and q in the
circuit and current through the resistance of 25ohm

Answer 1

series connection adds resistance r = r1 + r2

in parallel 1/r = 1/r1 + 1/ r2

so 14 and 6 are in series which means they add to be 20 ohms

now above 20 is parallel to given 20 = 20 /2 = 10 ohms

now above 10 is series with 10 given so 20 ohms

again 20 and 20 are parallel = 10 ohms***

now 10 and 25 are series = 35 ohms

i = v/r = 70/35 = 2 A

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Answer 2

Tell me they are parralel or in series ok or click the photo