Parallel and series circuit
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Explanation:
6 ,7, 8 are in series so add them up
ie. 21kohm
9 and 10 are in parallel so solve them
90/19=4.73
now 21 and 4.73 are in series so add them
25.73 is the net resistance
by v=ir
25=i*25.73
net current =25/25.73
=0.971 a
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