PRACTICE PROBLEM 2.4: Find y, and v2 in the circuit shown in Figure below. Also calculate i, and i₂ and the power dissipated in the 12-02 and 40-2 resistors. Answer: v₁ = 5 V, i, = 416.7 mA, P1= 2.083 W, V2 = 10 V, i₂= 250 mA, p2 = 2.5 W. 120 n 692 ""4052 15 V Σ 10 Ω
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- Using the rules for parallel circuits and Ohmslaw, solve for the missing values. ETE1E2E3E4ITl1I2l33.2AI4RT3.582R116R210R3R420PTP1P2P3P4150 100 + VA- a -4V AVA -7V 81. B b Figure 2 shows a simplified model of a gas-discharge lamp. One characteristic of these lamps is that they exhibit negative resistance; in other words, as current increases the voltage drops further, making such lamps inherently unstable. As such, a current-limiting ballast is required. For the connection shown in the figure: 1. Find the equivalent Thevenin circuit of the lamp. 2. Find the ballast resistance needed to limit the current drawn from a 24-volt source to 6 amperes.The figure below shows three resistors (R- 13.5 0, R -7.95 0, and Ry- 12.5 0) and two batteries connected in a circuit. 40.0 V R 22.0 V R3 (a) What is the current in each of the resistors? A I2 = A A (b) How much power is delivered to each of the resistors? P1- P2- P3-
- The diagram in the figure shows a simple circuit consisting of a battery and a load consisting of two resistors.The battery voltage is UB = 56 V and the value of the resistors is:R1 = 1800R2 = 5400a) The ammeters in the circuit show the following value:A1 shows valueA2 shows valueA3 shows valueb) In the load, the effect developsc) The total resistance of the load isthe 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 isI 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 V12 - L.-p- -- yuc-. For the circuit shown in figure, what current (in A) does the ammeter read if e=10.8 V (ideal battery), R:=2.0 0, R2=6.0 0, and R3=8.0 0? (A Option1 Option2 Option3 Option4 Option5 R2 0.45 0.85 1.15 1.65 2.05 RProblem 452 16V for circuit shown in figure, find the current in each resistor. Itas ceR2 Q1 ... VCC R1 Show your complete solution. Use two decimal places for your final answer. Calculate the value of RC in ohms. at VCC=18 V, IB=26 uA, and VC=7V and B=69Which of the following statements regarding circuits are true? To find resistance in a parallel circuit, you must sum the individual resitances The direction of conventional current is the direction of positive charge flow. In a circuit, electrons flow from high potential energy (at the negative terminal) to low potential energy (at the positive terminal). When electricity is passed through a lightbulb, the electrons are 'used up' by the bulb. All voltages in a loop sum to 12V The current that flows into a resistor is the same as the current that flows out. To 'short circuit' something means there is an alternate path of less resistance for the current to flow. Switching on a light happens immediately because electrons move from the power source to the bulb incredibly quickly. A 'kilowatt-hour' is a unit of power, not energy.Estimate voltage E2 when E1=90sin2400t V, R1=R2=20 ohms, L1= L2=3mH and M=0.15mHWhat is the difference between the cut-off voltage VGS0 f and the narrowing voltage Vp? Explain this with the diagramSEE MORE QUESTIONS