iPad * 76%- 5:10 PM a moodle-2017-2018.fullerton.edu R, 9.0 ? R.-8.0 ? R, 6.0 ?
ID: 2034827 • Letter: I
Question
iPad * 76%- 5:10 PM a moodle-2017-2018.fullerton.edu R, 9.0 ? R.-8.0 ? R, 6.0 ? Find the current through the 12 ? resistor in the circuit below R1-3.0 ? R,-3.0 ? R,-6.0 ? R,-6.0 ? R,-4.0 ? R,-12.0 ? R,-2.0 ? 2) Analyze the circuit below using a V-I-R chart. Rd Ri 3.02 R,-10.0 ? R,-5.0 ? R,-4.0 ? Rs = 3.0 ? 18 V A 1.4 ? resistor is connected across a 9 V battery. The voltage between the terminals of the battery is observed to be 8.3 V. Find the internal resistance of the battery 3) Analyze the circuit below using a V-I-R chart. From the information given in the cireuit below, (a) determine the current in the circuit, and (b) state which point, A or B, is at a higher potential 8) Values R,-6.0 ? R, 6.0 ? R-2.425 V R, 6.0 S2 R,-9.0 ? R, 6.0 ? 5 92 27 ? 8? 12? 10 V In the circuit below, the current through R, is 0.5 A. Find the current through (a) R, and (b)R2 Calculate the unk nown currents I, R4 and I, for the circuit below Ra 24 V 4? R, 18.0 ? R,-9.0 ? R,-16.0 ? R,-8.0 ? R,-20.0 ? 12 V ?? 5 S2 ANSWERSExplanation / Answer
4)
In the circuit
V4 = V5 since R4 and R5 are in parallel
i4 R4 = i3 R3
(0.5) (8) = i3 (16)
i3 = 0.25 A
i5 = i3 + i4
i5 = 0.25 + 0.5 = 0.75 A
i2 = current in R2 = i5 R1/(R1 + R2) = (0.75) (18)/(18 + 9) = 0.5 A
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