In the circuit shown, R 1 = 0.930 ?, R 2 = 9.30 ?, R 3 = 93.0 ?, and R 0 = 930 ?

Question

In the circuit shown, R1 = 0.930 ?, R2 = 9.30 ?, R3 = 93.0 ?, and R0 = 930 ?.

1) Calculate the equivalent resistance of the circuit when a 5.70 V power supply is connected between points A and C.

2) Calculate the current through R0.

3)Calculate the current through R1.

In the circuit shown, R1 = 0.930 ?, R2 = 9.30 ?, R3 = 93.0 ?, and R0 = 930 ?. 1) Calculate the equivalent resistance of the circuit when a 5.70 V power supply is connected between points A and C. 2) Calculate the current through R0. 3)Calculate the current through R1.

Explanation / Answer

Ro & R3 are is series

Ro3 = Ro+R3 = 930+93 = 1023

R1 & R2 are in series

R12 = 0.93+9.3 = 10.23

Ro3 & R12 are in parallel

Req = Ro3*R12/(Ro3+R12) = 10.13

2) io = V/Ro3 = 5.7/(1023) = 5.5 mA

3) i1 = v/R12 = 5.7/10.23 = 550 mA

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