Problem 4 Using mesh-current analysis, solve for the loop currents in the circuit shown below. Note there is a current source between loops for currents i3 and 14. 12 V 3 ΚΩ www 4 ΚΩ www i₁ 3 ΚΩ ww iz 1 kQ O 4 mA + i₂ 2 ΚΩ www @ i4 5 ΚΩ
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- Given the circuit below and that R1=1.7ohm,R2=3.5ohm,Emf1=2.1V and Emf2=6.3V. What is the current through the section ac?Shown in the figure below is an electrical circuit containing three resistors and two batteries. I₁ 0= 4 + L . ww R3 R₂ ww 1₂ R₁ ww Write down the Kirchhoff Junction equation and solve it for I, in terms of I₂ and I3. Write the result here: 1₁ = 12-13 R₂=552 R₂ = 132 13 Write down the Kirchhoff Loop equation for a loop that starts at the lower left corner and follows the perimeter of the circuit diagram clockwise. - IzR3 − LR₁ + 14 + 10 Write down the Kirchhoff Loop equation for a loop that starts at the lower left corner and touches the components 4V, R₂, and R₁. 0 = 4-1₂R₂-11R₁ The resistors in the circuit have the following values: R₁ = 12 Solve for all the following (some answers may be negative): I₁ = 27.78 X Amperes 1₂ = 28.84 X Amperes 13 = 1.060 X Amperes NOTE: For the equations, put in resistances and currents SYMBOLICALLY using variables like R₁,R₂,R3 and 11,12,13. Use numerical values of 10 and 4 for the voltages.Hint:The wires here have zero resistance. Thus, for currents that travel along a wire that has no circuitelement, you can safely omit it and simplify the circuit. After, you can use the Kirchhoff's rules. Answer must be answer must be 0.99 A DOWNVOTE IF YOU DONT GET THIS ANSWER 0.99 A
- 2. For the circuit below, find i, iz, and is in the figure below. Assume I₁ = 4A, 12=0A, 13=4A, and 4-8 A. Show your work. A I₁ B C i2 13 II did a physics lab and got some values. I want to check them theoretically to see how the results differ. From this diagram, answer the following questions: The laws to be verified included the conservation of current in a node, the addition of potentials for components in series, and the addition of currents for components in parallel. The data : R1: 1094 ohm R2 : 998 ohm R3: 1094 ohmR4: 25 ohm Source 1 : 5 V Source 2 : 1.5 Vthe adjoining figure. This lamp can withstand a maximum voltage 3.0 v 0.4 9. Volt-ampere (V-I) charaeteristics of an incandescent lamp 16thd in and a maximum current 0.4 A. An infinite ladder network consisting a large number of these lamps is also shown in the figure given belo How much maximum voltage can be applied between the terminals A and B, so that no lamp gets damaged? (Use V5 = 2.2). Ans:x4.2V Hint: Curentin all bulls except first isFind the potential difference between point a and point b for the situation shown below. Here ₁ = 12.0 V, E₂ = 7.77 V and R₁ = 4.33 №, R₂ = 6.44 , and R3 = 2.28 2. Va - Vb = R₂ E2 b R3 www R₁ &₁Find the potential difference between point a and point b for the situation shown below. Here ₁ = 12.0 V, E₂ = 8.77 V and R₁ = 4.13, R₂ = 5.44 , and R3 = 2.28 0. Va - Vb = R₂ V R3 R₁ WRi P Rz E3 Ry R3 Ez a) Apply Kirchoff's law to the circuit and write down the linearly indepedent voltage equations. You must draw the diagram and show the direction of currents in each of the components. The emf's in the circuit have the values E = 3 V, E2 = 9V and E3 = 10 V. The resistors have the following value of resistances R = 22 2, R2 = 33 N, R3 = 112 and R4 = 11N. b) Find the current through the resistance R3. current Give your answer up to at least three significance digits, A c) Find the magnitude of potential difference across the points p and q (i.e. potential difference of point q relative to point p. ).. magnitude of potential difference Give your answer up to at least three significance digits. VWhat is the difference between the cut-off voltage VGS0 f and the narrowing voltage Vp? Explain this with the diagramConsider the series-parallel circuit shown in the figure below with various multimeters connected in the circuit. Assum that XMM1 has been configured in ammeter mode, and XMM2 has been configured in voltmeter mode. XMM1 R1 1kQ XMM2 R2 R3 V1 1kQ 1kQ 12V 3.1: Redraw the circuit replacing XMM1 and XMM2 by their equivalent circuit models 3.2: Assume that XMM2 was incorrectly configured in ammeter mode. Redraw the equivalent circuit from 3.1 and compute the current that would be measured by the ammeter in this scenario. Hil-Shown in the figure is an RL series circuit in which R= 10 ohms and L= 0.1 Henry. This is energized by a 24 volt DC source. If the switch is closed at t=o. Find the time when Power across R = Power across L.SEE MORE QUESTIONS