
AC IIIC 2021
Authored by Elizabeth (Docente)
Physics
University
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Por un circuito serie con R=10 Ohm y L= 20mH, circula una corriente i(t)=2 sen 500t A. Cual es el valor de la velocidad angular?
500 rad/s
1000 rad/s
2 rad/seg
Ninguna de las anteriores
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Por un circuito serie con R=10 Ohm y L= 20mH, circula una corriente i(t)=2 cos 500t A. Cual es el valor del voltaje total?
28,284 cos (500t+0°) V
28,284 cos (500t+45°) V
20 cos (500t+20°) V
Ninguna de las anteriores
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Por un circuito serie con R=10 Ohm y L= 20mH, circula una corriente i(t)=2 cos 500t A. Cual es el valor de la impedancia resultante?
(10 + j20 )*10^-3 Ohm
10 + j20 Ohm
10+j10 Ohm
Ninguna de las anteriores
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En el circuito de la figura, el valor de la impedancia es?
Ninguna de las anteriores
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En el circuito de la figura, el valor de la corriente es?
Ninguna de las anteriores
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En el circuito de la figura, la ecuación de la malla 3 se puede escribir como:
(NOTA preste especial atención al sentido de las corrientes de malla dibujadas)
5i1 - (2-j2)i2 + (17 -j2)i3 =0
j5i1 + (12 +j3)i2 - (2 -j2)i3 = (5 <30°)
(7+j3)i1 +j5 i2 + 5i3= (10, 0)
Ninguna de las anteriores
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En el circuito de la figura, la ecuación de la malla 2 se puede escribir como:
(NOTA preste especial atención al sentido de las corrientes de malla dibujadas)
5i1 - (2-j2)i2 + (17 -j2)i3 =0
j5i1 + (12 +j3)i2 - (2 -j2)i3 = (5 <30°)
(7+j3)i1 +j5 i2 + 5i3= (10, 0)
Ninguna de las anteriores
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