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An ideal transformer is connected as shown below. If Vs = 76 VRMS, R1 = 5370,...
An ideal transformer is connected as shown below. If Vs = 83 V, N1 = 7,...
An ideal transformer is connected as shown below. If Vs = 83 V, N1 = 7, N2 = 2, and R = 294 , what is the magnitude of the resistor voltage drop VR (in V)? Vs N:N Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Submit How much current does the source supply (IA, in A)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Submit An ideal transformer is connected as shown below. The circuit parameters are...
For the questions on this page, an ideal transformer is connected as shown below. Assume Vs...
For the questions on this page, an ideal transformer is connected as shown below. Assume Vs = 100 V, n = 4, and R = 264 0. 1:n IB Vs + VR R What is the magnitude of the resistor voltage drop VR (in V)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% What is the magnitude of the secondary current IB (in A)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% How much current does the source...
For the questions on this page, a linear transformer is connected as shown below. Note that...
For the questions on this page, a linear transformer is connected as shown below. Note that nothing is connected to the L2 side of the transformer. Assume l = 1.1/0° A, ZL1 = 316 0, ZL2 = 1900, and ZM = j27 0. M + + Is V Li L2 V2 Hint: When working with coupled inductors, start with the current through one inductor and mark its self-induced voltage and all mutually-induced voltages in any other inductors it is coupled...
R1 + VC- 35u(-t) 3u(t) Assume R1 = 20, R2 = 30, and C = 0.33F....
R1 + VC- 35u(-t) 3u(t) Assume R1 = 20, R2 = 30, and C = 0.33F. What is the steady-state value of VC (in V) for t<0s? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Find the Thevenin equivalent of the circuit about the capacitor fort > 0. Assume the Thevenin equivalent voltage is defined so its negative terminal would be connected to the negative terminal of VC- What is RTH (in )? Points possible: 1 Allowed attempts: 3...
For the questions on this page, assume that an ideal transformer is connected as part of...
For the questions on this page, assume that an ideal transformer is connected as part of a larger circuit with a source on one side and a load on the other. (Note that only the transformer is shown below.) Assume VA = 127 V, 1A = 5 A, and n = 4. TA 11 1:n 12 Тв + + + V2 VB What is the magnitude of VB (in V)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% What...
For the questions on this page, consider a linear transformer that is connected as shown below....
For the questions on this page, consider a linear transformer that is connected as shown below. Assume 11 = 1.7/0° A, 12 = 2.7/0° A, ZL1 =j350, ZL2 = 1940, and ZM = 1280 + + 11 V1 Li L₂ V₂ 12 Enter the magnitude of V1 (in V). Points possible: 3 Allowed attempts: 3 Retry penalty: 33.333% Submit Enter the magnitude of V2 (in V).
Question 31 (17 points) 120/120 single-phase transformer. Calculate the values for the equivalent circuit for the single-phase transformer for the given short and open circuit test shown below. (2 po...
Question 31 (17 points) 120/120 single-phase transformer. Calculate the values for the equivalent circuit for the single-phase transformer for the given short and open circuit test shown below. (2 points) Draw the equivalent circuit. (1 point each) Find Ssc, QSC, Soc, Qoc, R1, R2, XI, X2, Rc, Xm, PFsc, PFoc, (esc θ。c) phase angel between V and I. What is the power rating of this transformer? Short circuit test (performed at High Voltage side) Vsc 16.20V rms, Isc 5.00 A...
Information. Say that you have access to a biased coin that has probability of a head...
Information. Say that you have access to a biased coin that has probability of a head toss equal to P. You don't know P but would like to estimate it by tossing the coin n times, and observing the total number of head tosses H. Pis a random variable itself but you do not have access to its prior distribution. 36.) Given that you observe P, what is the conditional PMF of H Php(kp)? (%)p(1 - p)n-k . (n.) p*...
Problem 3 In the circuit shown below: a. Write a node equation at node 1 by...
Problem 3 In the circuit shown below: a. Write a node equation at node 1 by summing the currents leaving node 1. b. Write a node equation at node 2 by summing the currents leaving node 2. c. Find Vj and V2 by solving the two node equations. d. Find the currents Iri, IR2, IR3, IR4, Is. e. Find the power absorbed by R1, R2, R3, R1, and power released by Vs and I.. IR1 R1 w 2k IR2 V2...
(1) The resistors in the circuit below have the following values: R1 = 8.00 Ω, R2...
(1) The resistors in the circuit below have the following
values: R1 = 8.00 Ω, R2 =
7.00 Ω, and R3 = 3.00 Ω. The two batteries each
have a voltage of 5.00 V.
(a) Find the current in through R3.
(b) How much power do the batteries deliver to
R3?
(2) Using the exact exponential treatment, find how much time is
required to discharge a 242-µF capacitor through a 495-Ω resistor
down to 1.00% of its original voltage.
3....
An ideal transformer is connected as shown below. If Vs = 83 V, N1 = 7, N2 = 2, and R = 294 , what is the magnitude of the resistor voltage drop VR (in V)? Vs N:N Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Submit How much current does the source supply (IA, in A)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Submit An ideal transformer is connected as shown below. The circuit parameters are...
For the questions on this page, an ideal transformer is connected as shown below. Assume Vs = 100 V, n = 4, and R = 264 0. 1:n IB Vs + VR R What is the magnitude of the resistor voltage drop VR (in V)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% What is the magnitude of the secondary current IB (in A)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% How much current does the source...
For the questions on this page, a linear transformer is connected as shown below. Note that nothing is connected to the L2 side of the transformer. Assume l = 1.1/0° A, ZL1 = 316 0, ZL2 = 1900, and ZM = j27 0. M + + Is V Li L2 V2 Hint: When working with coupled inductors, start with the current through one inductor and mark its self-induced voltage and all mutually-induced voltages in any other inductors it is coupled...
R1 + VC- 35u(-t) 3u(t) Assume R1 = 20, R2 = 30, and C = 0.33F. What is the steady-state value of VC (in V) for t<0s? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Find the Thevenin equivalent of the circuit about the capacitor fort > 0. Assume the Thevenin equivalent voltage is defined so its negative terminal would be connected to the negative terminal of VC- What is RTH (in )? Points possible: 1 Allowed attempts: 3...
For the questions on this page, assume that an ideal transformer is connected as part of a larger circuit with a source on one side and a load on the other. (Note that only the transformer is shown below.) Assume VA = 127 V, 1A = 5 A, and n = 4. TA 11 1:n 12 Тв + + + V2 VB What is the magnitude of VB (in V)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% What...
For the questions on this page, consider a linear transformer that is connected as shown below. Assume 11 = 1.7/0° A, 12 = 2.7/0° A, ZL1 =j350, ZL2 = 1940, and ZM = 1280 + + 11 V1 Li L₂ V₂ 12 Enter the magnitude of V1 (in V). Points possible: 3 Allowed attempts: 3 Retry penalty: 33.333% Submit Enter the magnitude of V2 (in V).
Question 31 (17 points) 120/120 single-phase transformer. Calculate the values for the equivalent circuit for the single-phase transformer for the given short and open circuit test shown below. (2 points) Draw the equivalent circuit. (1 point each) Find Ssc, QSC, Soc, Qoc, R1, R2, XI, X2, Rc, Xm, PFsc, PFoc, (esc θ。c) phase angel between V and I. What is the power rating of this transformer? Short circuit test (performed at High Voltage side) Vsc 16.20V rms, Isc 5.00 A...
Information. Say that you have access to a biased coin that has probability of a head toss equal to P. You don't know P but would like to estimate it by tossing the coin n times, and observing the total number of head tosses H. Pis a random variable itself but you do not have access to its prior distribution. 36.) Given that you observe P, what is the conditional PMF of H Php(kp)? (%)p(1 - p)n-k . (n.) p*...
Problem 3 In the circuit shown below: a. Write a node equation at node 1 by summing the currents leaving node 1. b. Write a node equation at node 2 by summing the currents leaving node 2. c. Find Vj and V2 by solving the two node equations. d. Find the currents Iri, IR2, IR3, IR4, Is. e. Find the power absorbed by R1, R2, R3, R1, and power released by Vs and I.. IR1 R1 w 2k IR2 V2...
(1) The resistors in the circuit below have the following
values: R1 = 8.00 Ω, R2 =
7.00 Ω, and R3 = 3.00 Ω. The two batteries each
have a voltage of 5.00 V.
(a) Find the current in through R3.
(b) How much power do the batteries deliver to
R3?
(2) Using the exact exponential treatment, find how much time is
required to discharge a 242-µF capacitor through a 495-Ω resistor
down to 1.00% of its original voltage.
3....
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