Question

Find the current i and voltage v over the each resistor.

 
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Answer 1

Answer:

Total voltage across the circuit V = 12+6 =18V

Total resistance, R = 10+20+40+20=90ohm

Using ohm's law

V=IR

I = 18/90= 0.2A

So, V1 = 0.2*10=2V

V2= 0.2*20=4V

V3=0.2*40=8V

V4=0.2*20=4V