Question

20 What is the voltage v(t) in this circuit? A) 2cos(2t-60°) V B) 4.8sin(2t-116.3°) V C) 1.3cos(2t-150°) V D) 2.8sin(2t+10.6°)V E) None of the above. 2 sin(2t-60°) A + 3 ? 1 H 1/4 F v(t) - 21 Which statement is true when light is incident on a semiconductor photoresistor? A) The brighter the light, the greater the reduction of resistance. B) The brighter the light, the greater the increase of its resistance. C) The brighter the light, the smaller the reduction of resistance. D) The brighter the light, the smaller the increase of resistance. E) None of the above. 22 Determine the equivalent capacitance $C_{eq}$ A) 0.45313 F B) 3.22 F 2 F C) 0.9 F D) 3 F 1 F 1 F E) 2.7 F 1 F 1 F 1 F 3 F $\rightarrow$ a $C_{eq}$

          20 What is the voltage v(t) in this circuit?
A) 2cos(2t-60°) V
B) 4.8sin(2t-116.3°) V
C) 1.3cos(2t-150°) V
D) 2.8sin(2t+10.6°)V
E) None of the above.
2 sin(2t-60°) A
+
3 ?
1 H
1/4 F
v(t)
-
21 Which statement is true when light is incident on a semiconductor photoresistor?
A) The brighter the light, the greater the reduction of resistance.
B) The brighter the light, the greater the increase of its resistance.
C) The brighter the light, the smaller the reduction of resistance.
D) The brighter the light, the smaller the increase of resistance.
E) None of the above.
22 Determine the equivalent capacitance $C_{eq}$
A) 0.45313 F
B) 3.22 F
2 F
C) 0.9 F
D) 3 F
1 F
1 F
E) 2.7 F
1 F
1 F
1 F
3 F
$\rightarrow$
a
$C_{eq}$

20 What is the voltage v(t) in this circuit?
A) 2cos(2t-60°) V
B) 4.8sin(2t-116.3°) V
C) 1.3cos(2t-150°) V
D) 2.8sin(2t+10.6°)V
E) None of the above.
2 sin(2t-60°) A
+
3 ?
1 H
1/4 F
v(t)
-
21 Which statement is true when light is incident on a semiconductor photoresistor?
A) The brighter the light, the greater the reduction of resistance.
B) The brighter the light, the greater the increase of its resistance.
C) The brighter the light, the smaller the reduction of resistance.
D) The brighter the light, the smaller the increase of resistance.
E) None of the above.
22 Determine the equivalent capacitance Ceq
A) 0.45313 F
B) 3.22 F
2 F
C) 0.9 F
D) 3 F
1 F
1 F
E) 2.7 F
1 F
1 F
1 F
3 F
→
a
Ceq

Added by Mariano H.

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