Electrical Engineering Archive: Questions from June 21, 2023
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En las esquinas de un triángulo equilátero existen tres cargas puntuales, \( q_{1}=9,0 \times 10^{-6} \mathrm{C}, \mathrm{q}_{2}=8,9 \times 10^{-} \) \( { }^{6} C_{1} q_{3}=-1,9 \times 10^{-6} C \),2 answers -
En la figura, \( \mathrm{C}_{1}=3.00 \mu \mathrm{F} \) y \( \mathrm{V}_{\mathrm{ab}}=120 \mathrm{~V} \). La carga en el capacitor \( \mathrm{C}_{1} \) es \( 150 \mu \mathrm{C} \). Calcule el voltaje a2 answers -
Un alambre de oro con \( 0.84 \mathrm{~mm} \) de diámetro conduce una corriente eléctrica. El campo eléctrico en el alambre es de 1,1 Vm. ¿Cuál es la diferencia de potencial entre dos puntos del2 answers -
1. A three-phase converter is working as an inverter and is connected to a 350V DC source, the AC source is 220V/60Hz line. The resistance is 0.5 Ohm and the value of the inductor is high enough to co
1. Un conversor trifásico está funcionando como inversor y está conectado a una fuente de CC de \( 350 \mathrm{~V} \), la fuente de alterna es de \( 220 \mathrm{~V} / 60 \mathrm{~Hz} \) de línea.2 answers -
2. An inductor with a winding made of superconductor is used to store energy. A 6-pulse converter is used to recover stored energy and transfer it to a three-phase system. Model the inductor as a 1000
2. Un inductor con bobinado hecho de superconductor es usado para almacenar energía. Un conversor de 6 pulsos es usado para recuperar la energía almacenada y transferirla a un sistema trifásico. Mo2 answers -
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Problem \( 7.3 \mathrm{c}) \) Find the Laplace transform of function: \( f(t)=t e^{-a t} u(t-1) \) (A) \( \frac{s+a}{(s+a)^{2}+1} \) (B) \( \frac{e^{-(s+a)}}{(s-a)^{2}} \) (C) \( e^{-(s+a)}\left(\frac2 answers -
Three points are connected by two cubic functions as shown above. Only the function of the first cubic is known. What is the value of the coefficient \( a_{20} \) for the second cubic? (Tres puntos se2 answers