Assume the resistance values are In the figure below, what is the current throug

Question

Assume the resistance values are

In the figure below, what is the current through the battery and resistor R1? Hint: First redraw t

he circuit so that the parallel and series resistor combinations are more obvious.

Assume the resistance values are R1 = 2,300 ?, R2 = 1,200 ?, R3 = 4,600 ?, and R4 = 6,100 ?, and the battery emf is = 3.0 V. In the figure below, what is the current through the battery and resistor R1? Hint: First redraw t he circuit so that the parallel and series resistor combinations are more obvious.

Explanation / Answer

r2, r3 and r4 are in parallel

so 1/r = 1/1200 + 1/4600+1/6100

R=823 ohms

combine that with R1

Rtotal = 2300 + 823

so I = 3/(2300 + 823)=0.96E-3 A

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