Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Use source transformation to reduce the circuit between terminals a and b shown in the circuit attached to a single voltage source in series with a single resistor.
Transcribed Image Text:τον
20 Ω
ww
10 Ω
20 V
20 Ω
14
20 Ω
30 V
ob
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- Parallel Circuits Review In a Parallel circuit, the Voltage across each cell is the same, while the total current is equal to sum of the currents in each resistor. In a series circuits, the total voltage is equal the sum of the voltages across each resistor. The current, however is the same for each resistor, 1. The circuit shown in the diagram consists of two resistors connected in parallel to a cell. The value of Itotal is equal to 30 A. What is the value of V(2)? 50 -ww www 2. The circuit shown in the diagram consists of two resistors connected in parallel to a cell. The value of the current given by the second ammeter, / is 3 A. What is the value of I (total)? 3. A student sets up the circuit shown in the diagram. The value of Itotal is 8 A and the value of I is 6 A. w www a). What is the value of /(2)? b). What is the potential difference supplied by the cell the circuit?arrow_forwardIf you have circuit that contains resistors in parallel, what would be the advantage of finding their equivalent resistance when performing circuit analysis? So that you can easily find the current through the resistors using a single Ohm's Law calculation. So that you can alter the circuit and reduce the number of resistors used. So that you don't have to write a bunch of KCL & KVL equations to find their individual resistances. So that you can apply a current divider expression to find the voltage across each resistor.arrow_forwardUse current division and series/parallel reduction of resistors to determine currents I2 and I3 in terms of the source current Is and the resistancesarrow_forward
- can someone show me how to do this problem step by step please a device can be modeled as a current source in parallell wih a resistancearrow_forwardResistor Circuit Consider a network of resistors connected between terminal a and b that consists of 2 parallel combinations of resistors that are in series with one another. The first parallel combination is composed of two resistors that are 30 and 6n2 respectively. The next set of resistors are 30, 6N, and 30. Each parallel combination of resistors is called a bank. a. Draw a schematic of the circuit described.arrow_forwardDraw a easy parallel circuit, using Voltage Source E with 3 resistors. Each resistor has its own voltage drop. a. Write down an equation describing the total resistance (Rt) b.Write the equation describing the source current (Is) c. Write down Kirchoffs Voltage Law for the circuitarrow_forward
- 4-5) Before the advent of ohmmeters (even the analog ones), unknown resistances (Runk) were measured using a Wheatstone bridge. The unknown resistance is placed into the circuit at right as shown. The values of R1 and R2 are extremely well known. The resistance of Rvar is adjusted until the meter Runk. Rvar R1. R2 reads no current in the cross branch. The value of Rvar is then read from a dial. Show that Runk can be found from R1 -Ry Ruknarrow_forwardCalculate the IX current using the constant voltage model for the circuit in the figure.arrow_forward
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