14. A voltmeter with high internal resistance is more accurate than with low internal resistance? A) True or B) False
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- The following are the readings taken while conducting an experiment on a wind turbine. what will be the value of open circuit voltage, if the short circuit current is 0.472 A, Maximum power point voltage is 5.32 V, Maximum power point current is 0.111 A and the fill factor is 0.599? Select one: a. 2080 mV b. 2.08 mV c. 8020 V d. 80.2 V16.a. A device used in a-c circuits to reduce any change in current value in the circuit is called a(n)A. amplifier.B. reactor.C. magnetic amplifier.D. rectifier.16.b. The 120-v primary of a transformer draws 8 A. if the voltage of the secondary is 60 V, how muchpower is delivered to the load across the secondary?A. 16 WB. 240 WC. 960 WD. 32 W16.c. A transformer which has a lower primary voltage than secondary voltage is known as aA. Step-up transformerB. High-voltage transformerC. Low-voltage transformerD. Step-down transformerHey, A power grid is to be created in a city. There are several buildings and there are pairedconnections between the buildings. Not every building is connected to every other building. In particular, there may be buildings that are not connected to any other building.Based on the mentioned connections, a power grid is to be designed now. Therebystarting from a given building (the electricity factory), so that as many buildings as possible are in the network.as many buildings as possible are in the network.A power cable can be laid only between connected buildings and there will be exactlyone power cable is needed for a connection between two buildings. A building is in thepower grid if it can be reached from the power factory by one or more power cables. Specify an algorithm in pseudo code that, given buildings and connections, calculates a power gridthat satisfies the above properties with as few power cables as possible.Determine the running time of your algorithm and give a…
- Activity 3:Consider the circuits below with the following nominal values:Vz = 6.8 VIz(min) = 1 mAInput voltage = 10 ± 1 volts. Maximum load current is 150 mAMinimum load current is 10 mA(3-a) Describe the operation of Circuit A. What is the function accomplished?(3-b) Determine the value of R to always maintain the Zener turned on (Circuit A).(3-c) Evaluate the maximum current and maximum power of the Zener (Circuit A).(3-d) Use Multisim to verify all of your results (assume Rload of 750 Ω)(3-e) Analyze Circuit B assuming the same parameters and components used in Circuit A.Describe the operation of the circuit clearly, and use Multisim to support your arguments.Advanced equipment 14. The equipment grounding conductor of a PV solar system that bonds to the framework of the solar panels must be sized slightly larger than expected, since the A. panels are mounted outdoors and may be prone to corrosion over their lifespan.B. AC inverter system on a utility connected system can backfeed energy into the panels.C. panels may be contacted by metal ladders during service work or during repair of the roofing structure. D. lower output current levels may cause the overcurrent device to take longer to trip.1. Which of the following statements is true?a. Terminal A is negative with respect to terminal D.b. Terminal D is negative with respect to terminal A.c. A voltmeter connected between terminals A and C would measure 40Vdc.d. Terminal A is positive with respect to terminal D.2. Which of the following statements is true?a. ES = ER1 – ER2 – ER3b. ER1 – ER2 – ER3 = 100Vdcc. ES = ER1 + ER2 + 30 Vdcd. ER1 + ER2 + ER3 = ES3. What is the value of resistor R1?a. 5000 Ωb. 1500 Ωc. 3000 Ωd. 10 000 Ω 4. What is the voltage drop between points A and B?a. 45 Vdcb. 15 Vdcc. 10 Vdcd. 60 Vdc 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor R2?a. 500 Ωb. 1000 Ωc. 1500 Ωd. 3000 Ω7. Refer to TLO 4, Fig. 4-3 and Exercise Procedure 4. What is the approximatedresistance of DS1 when lighted?a. 35 Ωb. 75 Ωc. 42 Ωd. 100 Ω 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor…
- 1. Which of the following statements is true?a. Terminal A is negative with respect to terminal D.b. Terminal D is negative with respect to terminal A.c. A voltmeter connected between terminals A and C would measure 40Vdc.d. Terminal A is positive with respect to terminal D.2. Which of the following statements is true?a. ES = ER1 – ER2 – ER3b. ER1 – ER2 – ER3 = 100Vdcc. ES = ER1 + ER2 + 30 Vdcd. ER1 + ER2 + ER3 = ES3. What is the value of resistor R1?a. 5000 Ωb. 1500 Ωc. 3000 Ωd. 10 000 Ω 4. What is the voltage drop between points A and B?a. 45 Vdcb. 15 Vdcc. 10 Vdcd. 60 Vdc 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor R2?a. 500 Ωb. 1000 Ωc. 1500 Ωd. 3000 Ω7. Refer to TLO 4, Fig. 4-3 and Exercise Procedure 4. What is the approximatedresistance of DS1 when lighted?a. 35 Ωb. 75 Ωc. 42 Ωd. 100 Ω 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor…1. Which of the following statements is true?a. Terminal A is negative with respect to terminal D.b. Terminal D is negative with respect to terminal A.c. A voltmeter connected between terminals A and C would measure 40Vdc.d. Terminal A is positive with respect to terminal D.2. Which of the following statements is true?a. ES = ER1 – ER2 – ER3b. ER1 – ER2 – ER3 = 100Vdcc. ES = ER1 + ER2 + 30 Vdcd. ER1 + ER2 + ER3 = ES3. What is the value of resistor R1?a. 5000 Ωb. 1500 Ωc. 3000 Ωd. 10 000 Ω 4. What is the voltage drop between points A and B?a. 45 Vdcb. 15 Vdcc. 10 Vdcd. 60 Vdc 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor R2?a. 500 Ωb. 1000 Ωc. 1500 Ωd. 3000 Ω7. Refer to TLO 4, Fig. 4-3 and Exercise Procedure 4. What is the approximatedresistance of DS1 when lighted?a. 35 Ωb. 75 Ωc. 42 Ωd. 100 Ω 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor…What load is required to achieve max power output in a Thevenin circuit if Rth = 5 ohms and Vth = 10∠0∘10∠0∘ Volts?
- a) calculate the resistance R12345 between points A and B when no voltage source is connected - calculate the resistance R34 between resistors R3 and R4: - calculate resistance R345 between resistors R5 and R34: calculate resistance R2345 between resistors R5 and R345 b) calculate the current IR5 through R5 so that the voltage source is connected. - calculate the current from the source:- calculate the current through the rice tower R 1:- calculate the current through the replacement resistor R2345:- calculate the voltage drop across R2:- calculates voltage drop over compensation resistance R345:-check that the resistors R2 and R345.- calculate the current through R34: c) calculate the voltage UR4 over R4 when the voltage source is connected - The resistors R3 and R4 are connected in series, ie they have the same current that passes through both resistors I34 but divides the voltage into two voltage drops UR3 and UR4.Calculate the voltage across R3:Check that resistors R3 and R4 are…(a) Construct circuits that produce the following outputs.i. (x + y + z)(x1 y1 z1 )ii. x1(y1+z1)1(b) A committee of three individuals decides issues for an organization.Each individual votes either yes or no for each proposal that arises.A proposal is passed if it received at least two yes votes. Design a circuit that determines whether a proposal passes. (c) i. Translate ∀x[C(x) ∨ ∃y(C(y) ∧ F(x, y)] into English, where C(x): x has a computerF(x, y): x and y are friendsThe domain for both x and y is all students in your school. ii. Translate ∃x∀y∀z[(F(x, y)∧F(x, z)∧(y not the some as z)) −→ ¬F(y, z)] where; F(a, b):a and b are friends. The domain of x, y and z consists of all students in your schoolThe voltage source V1= 250 V with internal resistance R1= 2ohm in Figure 2.1 will feed the RL resistor with a transformer with a conversion ratio of 1/16 and considered ideal. What should be the value (RL) of the RL resistor to be placed so that the RL resistor can draw maximum power from the voltage source? What is the power (Pvi) consumed by the voltage source when the RL resistor you found is active? In this case, how much power (Pri) is spent on the internal resistance of the source, the resistor R1?RL=Pv=PRI =