Concept explainers
Refer to the circuit shown in Figure 8-25 to solve the following problems.
Find the unknown values in the circuit if the total current is 0.8 A and the resistors have the following values:
FIGURE 8-25 A parallel-series circuit.
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Chapter 8 Solutions
EBK DELMAR'S STANDARD TEXTBOOK OF ELECT
- Refer to Figure 8-21. Assume that the resistors have the following values: R1=150R2=120R3=47R4=220 Assume that an ohmmeter connected across the entire circuit indicates a value of 245 . Does this reading indicate that there is a problem with the circuit and, if so, what is the most likely problem? FIGURE 8-21 Series-parallel circuit.arrow_forwardET E1 E2 E3 E41.248V IT I1 I2 I3 I4 RT R1 R2 R3 R4 PT0.576W P10.0806W P20.0461W P30.00184W P4 E5 E6 E7 E8 E9 I5 I6 I7 I8 I9 R5 R6 R7 R8 R9 P50.0203W P60.00995W P70.0518W P80.0726W P90.288W FIGURE 8-26 A combination circuit.arrow_forwardReferto Figure 8-2. Replace the values shown with the following. Solvefor all theunknownvalues. IT=0.6AR1=470R2=360R3=510R4=430arrow_forward
- 3. Find the unknown values in the circuit if the applied voltage is 18 V and the resistors have the following values: FIGURE 8-21 Series-parallel circuit.arrow_forward3. Refer to the circuit shown in Figure 8-2. Redraw the circuit and use the following values: Assume that an ammeter indicates a total circuit current of 15 mA. A voltmeter indicates the following voltage drops across each resistor: What is the most likely problem with this circuit?arrow_forwardMeasure the currents I1’’, I2’’ and I3’’ and the voltage across each resistor V1’’, V2’’, V3’’, V4’’ & V5’’ from figure 8.3 and record the readings on Table 8.3 under the “off-on” condition. Take note of the polarities of the responses.Please provide a COMPLETE and CLEAR solution also write legibly.arrow_forward
- Does IT = IR1 + IR2 + IR3 in a series circuit? Explain your answer. 2. Is the measurement current the same at all parts of the series circuit? Explain your answer. 3. Does RT = R1 + R2 + R3 in a series circuit? Explain your answer.arrow_forwardAnswer the following questions related to a series/parallel combinational circuit configured as follows: R1 is in series with the source and also in series with the parallel combination of R2 and R3. The circuit’s voltage is +24VDC, R1= 4.5kΩ, R2=30kΩ, and R3=10kΩ. The current drawn by R3 in the circuit describe above is _________. Use correct engineering notation and unit measure!arrow_forward10. How many 20A of branch circuit is needed for 80 linear feet of show window lighting? a. 7 circuits b. 8 circuits c. 3 circuits d. 5 circuitsarrow_forward
- Answer the following question related to a series/parallel combinational circuit configured as follows: R1 is in series with the source and also in series with the parallel combination of R2 and R3. The circuit’s voltage is +24VDC, R1= 4.5kΩ, R2=30kΩ, and R3=10kΩ. The total current drawn by the circuit described above is __________. Use correct engineering notation and unit measure!arrow_forwardA. Parallel Circuits Solve for the following unknowns for the parallel circuit shown below. R3 VT IR1, IR2 IT VR1, VR2 PR1, PR2, PR3 PTarrow_forwardAnswer the following questions related to a series/parallel combinational circuit configured as follows: R1 and R2 are in series with the source and these two resistors (R1 and R2) are in parallel with R3. The circuit’s voltage is +18VDC, R1= 1.5kΩ, R2=4.5KΩ, and R3=30kΩ. The current drawn by R2 in the circuit describe above is _________. Use correct engineering notation and unit measure!arrow_forward
- Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning