Consider an R C circuit with E = 12.0 V , R = 155 ? , and C = 55.8 ? F . Part A
ID: 3898369 • Letter: C
Question
Consider an RC circuit with E = 12.0V ,R = 155? , and C = 55.8?F .Part A Find the time constant for the circuit. ? =
ms Part B Find the maximum charge on the capacitor. qmax =
?C Part C Find the initial current in the circuit. Consider an RC circuit with E = 12.0V ,R = 155? , and C = 55.8?F .
Consider an RC circuit with E = 12.0V ,R = 155? , and C = 55.8?F .
Consider an RC circuit with E = 12.0V ,R = 155? , and C = 55.8?F .
Part A Find the time constant for the circuit. ? =
ms Part A Find the time constant for the circuit. ? =
ms ? =
ms ? =
ms Part B Find the maximum charge on the capacitor. qmax =
?C Part B Find the maximum charge on the capacitor. qmax =
?C qmax =
?C qmax =
?C Part C Find the initial current in the circuit. ? =
ms
Explanation / Answer
the time constant for a rc circuit is given by
T = R x C
so T = 155 x 55.8 x 10-6
T = 8.649 ms
so the time constant is 8.649 milli seconds
maximum charge q = CV
q= 55.8 x 10-6 x 12
q= 669.6 x 10-6 columb
initial current i = V/R
i = 12 /155
i = 0.0774 A
so the initial current is 0.0774 A