Question

anybody can solve this?
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Answer 1

Explanation:

3 resistors are in series

therefore there resultant

R= R1 + R2 +R3

R = 10+10+10

R= 30

This resultant is parallel with one remaining resistance

therefore there result is

1/R + 1/ r

1/30+1/10 = 4 /30

1/ net Resistance = 2/15

net resistance of circuit is 15/2 or 7.5 ohm