1:what is the mathematics relationship between the voltemeter readings?. 2:what is the mathematics relationship between the ammeter readings?. 3:what happens to the current that is supplied by the battery to the series circuit?.
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- Using nodal analysis, What is the current through the 8 ohm resistor? What is the current through the 2 ohm resistor? What is the current through the 6 ohm resistor? What is the current through the 4 ohm resistor? What is the direction of current through the 6 ohm resistor? What is the direction of current through the 2 ohm resistor? What is the direction of current through the 8 ohm resistor? What is the direction of current through the 4 ohm resistor? What is the nodal voltage Va? What is the nodal voltage Vb? Please answer all subpart1.Which of the following statement is true? a.Good practice suggests that the load should not exceed 2,600 W for a 20-A circuit. b.Good practice suggest that the load should not exceed 1,600 W for a 20-A circuit. c.Good practice suggest that the load should not exceed 1,800 W for a 15-A circuit. 2. Which of the following statement is false? a.pf will always be greater than or equal one b.pf will always be lesser than one c. pf will always be greater than zero 3.Power a.current x resistance b.current squared x resistance c.square root of voltage x currentThe circuit shows a variable resistor, with a lamp (L) connected to an ammeter and a voltmeter. By inspection, the circuit shown demonstrates that a) the variable resistor and voltmeter should be interchanged b) the lamp L and voltmeter should be interchanged c) the ammeter should be parallel with R, not with the lamp L d) the voltmeter and ammeter should be interchanged
- Eight lamps are always connected in parallel as shown in the Figure.(a) If the set is connected to a 120V source, what is the current through eachlamp whether each internal resistance of 1.8 kohm?(b) Determine the total resistance of the network.(c) Find out the power dissipated in each lamp.(d) If a light bulb burns out (ie opens the filament), what is the effect on theremaining lamps?(e) Compare the parallel arrangement of a figure with a series arrangement. what are the relativesadvantages and disadvantages of parallel system compared to series arrangement? or Oito lâmpadas sempre estão ligadas em paralelo como mostrado na Figura.(a) Se o conjunto está ligado a uma fonte de 120V, qual é a corrente através de cadalâmpada se cada uma resistência interna de 1,8 kohm?(b) Determinar a resistência total da rede.(c) Descubra a potência dissipada em cada lâmpada.(d) Se uma lâmpada queima fora (ou seja, abre o filamento), qual é o efeito sobre aslâmpadas restantes?(e) Compare o arranjo…Caution: This is a multiple choice question. You can mark more than one stylishIn the circuit in the figure, Vs = 6V, Is = 4A, R1 = 2 ohms, R2 = 2 ohms, R3 = 2 ohms. Calculate the voltage and resistance of Thevnin equivalent circuit visible from the ends of the R3 resistor.First， Calculate the voltage across the 5.1kΩ resistor and the voltage across any one of the 1kΩ resistors Second， Construct the series resistive network in figure (top). Check the interconnects between resistors for loose connections. Make sure they are properly connected. Use the DMM to measure the voltage across the 5.1kΩ resistor (figure middle) and any one of the 1kΩ resistors (figure bottom). End，Compare the calculation and measurement. Comment on your finding
- Question 5 Use the node-voltage method to find: [Hints: identify the supernode and also use the nodelabeled a.] Part (A) the voltage across the 20 Ω resistor, v1, Part (B) the voltage across the 40 Ω resistor, v2, Part (C) the voltage across the 80 Ω resistor, v3, Part (D) the controlling voltage, v∆, Part (E) the controlling current, iϕ.For the Wheatstone bridge network shown in Figure. a) Evaluate the Wheatstone Bridge network and Calculate the output voltage, if R1= 80 Ω, R2= 120Ω,and R3=480Ωand R4=160 b) Resistances in the branches of Wheatstone’s bridge are R1=30Ω, R2=60Ω, R3=15Ω and R4 is a series combination of X and 5Ω resistances. If the bridge is balanced then value of unknown resistance X isYou have a circuit that has 4 resistors and a 24 volt batteryLet the resistors have resistances of R1 = 4Ω, R2 = 6Ω, R3 = 8Ω, R4 = 10Ω.Answer the following questions using Kirchoff ’s rules:(a) What is the current through R3 in a circuit where you have the battery, then thefirst two resistors (R1, R2) hooked up in series, followed by the second two resistors(R3, R4) hooked up in parallel, before reconnecting back to the battery.(Show your circuit and what you choose for the loop(s) and junction(s) as part ofyour solution).(b) What is the current through R1 if you switch R1 with R3 in your original circuit?(Show your circuit and what you choose for the loop(s) and junction(s) as part ofyour solution).(c) What is the voltage drop across R4 in part (a)?(d) What is the voltage drop across R2 in part (b)?
- Calculate the short circuit current is the 5 ohm resistor is the load resistance. Show complete solution.Find the Voltages of all four nodes in the diagram for the following questions.(USE NODAL ANALYSIS) Please show all work!! (a) b0 is a voltage source of 1 Volt, b1,b2,and b3 are not voltage sources, b0 is the only independent source in the system (b) b1 is a voltage source of 2 Volts, b0,b2,and b3 are not voltage sources, b1 is the only independent source in the system (c) b2 is a voltage source of 4 Volts, b1,b0,and b3 are not voltage sources, b2 is the only independent source in the system (d) b3 is a voltage source of 8 Volts,b1,b2,and b0 are not voltage sources, b3 is the only independent source in the systemQUESTION -1 For the circuit below, calculatea) Is, I1, I3 and I4b) Va and Vbc