1. A circuit consists of a voltage source, Vs=45cos220t V, in series witha 125 ohm resistance and a 57mH inductor. Determine the equivalent impedance that goes to the source in ohms (magnitud and angle)
2. Determine the power factor of the equivalent impedance of the previous problem.
3. The current in a circuit is delayed with respect to the voltage: TRUE or FALSE
4. The voltage in a capacitor of 2200 pF as a function of time is Vc=14cos6300t V. Determine the current as a phasor with RMS value
1. A circuit consists of a voltage source, Vs=45cos220t V, in series witha 125 ohm resistance...
^ Problema 4. (10 pts) Se tiene disponibles amplificadores de voltaje con Avoc = 8 V/V, Rin = 1.8 kg, Ro = 850 2. Con una fuente DC de energía de 12 V, cada amplificador consume 1.5 mA promedio de corriente. a. ¿Cuántos amplificadores se necesita conectar en cascada para obtener por lo menos una ganancia de voltaje de 1000 con una resistencia de carga de 1.0 kN? b. ¿Cuál es la ganancia de voltaje Av obtenida? (Responda con un...
The next circuit is going to be used as an oscillator. a) determine the oscillation frequency and the minimum gain amount for oscillation b) What type of voltage amplifier should be used in block A (inverter or non-inverter)? Individual o Grupal (4 estudlanOB II. Resuelve: Muestre todo su trabajo si desea puntos parciales en los ejercicios on una forma organizada y clara. Encierre su rectángulo. FELIZ VERANO! QUE LA PASEN SUPER!!! s contestaciones finales en un Problema #1 (30 puntos)...
+ V - 40 12 2012 AN 300 5. Determinar la potencia que absorbe el elemento X de la figura, si éste es: (a) una resistencia de 100 s2 (b) una fuente de tensión independiente de 40 V, referencia + en la parte superior (c) una fuente de tensión dependiente marcada como 25ix, referencia + en la parte superior (d) una fuente de tensión dependiente marcada como 0.8V1, referencia + en la parte superior (e) una fuente de corriente independiente...
7. Un transformador contiene un embobinado primario con 200 vueltas y uno secundario con 120 vueltas. El embobinado secundario lleva una corriente a través de una resistencia de 1kS2. Si el voltaje de entrada en el primario es Vms 75 V, determine la potencia disipada en la resistencia. (10 puntos) A transformer contains a primary winding with 200 turns and a secondary winding with 120 turns. The secondary winding carries a current through a resistance of 1k2. If the input...
7. For the circuit in Figure 4, write the node equations. Use the bottom node as the node of reference. Indicate the variables of the voltages of the nodes in the figure. Find an expression for the current 'Io' in terms of the voltage of the nodes. Determine the values of the voltages of nodes and the current 'Io'. ww 4 ki 4 k 6 V 4 k 4 k 2 mA Figura 4: Circuito para análisis de nodos 7....
An RLC circuit consists of an alternating voltage source with RMS voltage 90 V and frequency 100 Hz, 180 ohm resistor, 200mH inductor, and a 900 micro-F capacitor, all wired in series. A) What is inductive reactance of the circuit? B) What is the capacitive reactance of the circuit?C) What is the impedance of the circuit? D)What is RMS current in the circuit?E) If the frequency is adjustable what frequency should you use to maximize the current in the circuit?
An RLC circuit consists of an alternating voltage source with RMS voltage 90 V and frequency 100 Hz, a 180 Ohm resistor a 200 ml inductor, and a 900 micro-F capacitor, all wired in series. a) What is the inductive reactance of the circuit? b) What is the capacitive reactance of the circuit? c) What is the Impedance of the circuit? d) What is the RMS current in the circuit? e) of the frequency is adjustable, what frequency should you use to maximize the current...
QUESTION 29 An RLC circuit consists of an alternating voltage source with RMS voltage 130 V and frequency 65 Hz, a 90 Ohm resistor, a 130 mH inductor, and a 200 micro-F capacitor, all wired in series. a) What is the inductive reactance of the circuit? b) What is the capacitive reactance of the circuit? c) What is the impedance of the circuit? d) What is the RMS current in the circuit? e) If the frequency is adjustable, what frequency...
Two metal rods, vertically placed and separated, are joined at the top. a distance of l = 50cm. The whole, whose resistance is considered contempt- It is placed within a uniform magnetic field of flow density B = 0.01kT perpendicular to the plane defined by the rods. By them, it slides downwards with constant speed of v = 1jm / s, without friction and without interrupting the contact, a bar AB whose mass is m = 1g. Determine the resistance...
Por favor agregar una breve explicación para cada respuesta otor de inducción trifásico de 2 Polos, 220 V, 60 Hz, 7.5 hp, conectado en Y Cesturel 25 pts) Un m ena carga ("full load") con un "slip" de 4%. Las pérdidas rotacionales suman 165 w. Tiene loss sigeeaa parámetros por fase referidos al Est ator R2 0.3S2 Determine lo siguiente a plena carga 'full load" a. La b. Potenci corriente de entrada y el factor de potencia ia de salida,...