Question

The circuit shows a capacitor $C = 90 \mu F$, an ideal battery $V = 3 V$, three resistors $R_1 = 630 \Omega$, $R_2 = 900 \Omega$, $R_3 = 690 \Omega$ and a switch. With C completely uncharged, the switch, S, is suddenly closed at $t = 0$. At $t = 0$, what is: a) the magnitude of the current in $R_1$? mA b) the magnitude of the current in $R_2$? mA c) the magnitude of the current in $R_3$? mA At $t = \infty$, what is: d) the magnitude of the current in $R_1$? mA e) the magnitude of the current in $R_2$? mA f) the magnitude of the current in $R_3$? mA What is the potential difference $V_2$ across resistor $R_2$ at: g) $t = 0$? V h) $t = \infty$? V

          The circuit shows a capacitor $C = 90 \mu F$, an ideal battery $V = 3 V$, three resistors $R_1 = 630 \Omega$, $R_2 = 900 \Omega$, $R_3 = 690 \Omega$ and a switch.
With C completely uncharged, the switch, S, is suddenly closed at $t = 0$.
At $t = 0$, what is:
a) the magnitude of the current in $R_1$?  mA
b) the magnitude of the current in $R_2$?  mA
c) the magnitude of the current in $R_3$?  mA
At $t = \infty$, what is:
d) the magnitude of the current in $R_1$?  mA
e) the magnitude of the current in $R_2$?  mA
f) the magnitude of the current in $R_3$?  mA
What is the potential difference $V_2$ across resistor $R_2$ at:
g) $t = 0$? V
h) $t = \infty$? V

The circuit shows a capacitor C = 90 μ F, an ideal battery V = 3 V, three resistors R1 = 630 Ω, R2 = 900 Ω, R3 = 690 Ω and a switch.
With C completely uncharged, the switch, S, is suddenly closed at t = 0.
At t = 0, what is:
a) the magnitude of the current in R1? mA
b) the magnitude of the current in R2? mA
c) the magnitude of the current in R3? mA
At t = ∞, what is:
d) the magnitude of the current in R1? mA
e) the magnitude of the current in R2? mA
f) the magnitude of the current in R3? mA
What is the potential difference V2 across resistor R2 at:
g) t = 0? V
h) t = ∞? V

Added by Mark W.

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