Question

Please solve this problem with explaination

Answer 1

1st connection parallels

1/Re = 1/30 +1/30 +1/30

Re = 10 ohms

series = 10 ohms

2nd parallel connection

1Re = 1/60+1/60+1/60

Re = 20 ohms

Total resistance = 10+10+20=40

V=IR

120=I40

I = 120/40 = 3A

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