Q1. In the adjacent figure each of the two capacitors mounted in parallel has a value C, the resistor has a value R, and the power supply has value ɛ = 25 V. Upon closing the key S the charging process of the two capacitors starts. The initial value of the electric current was lo = 25 mA, as shown in the table below, then the electric current decreased until it vanished at t = co. The table below shows the values of the electric C R current every two seconds as measured by the ammeter A. t (s) 0 2 4 68 10 12 14 16 18 I (mA) 25 20 16 13 10 8 7 5 4 3 q (mC) 40 55 66 75 89 97 Determine the value R of the resistor in kƆ units. Plot the l-t graph (electric current versus time). Determine the circuit constant time t from the l-t graph. Determine the value C of each capacitor in µF units. Complete the table by evaluating the electric charge q(t) on each e) capacítor at the moments t = 2, 12, 16, c∞.

icon
Related questions
Question
Q1. In the adjacent figure each of the two capacitors mounted in parallel has a value C,
the resistor has a value R, and the power supply has value ɛ = 25 V. Upon closing the
key S the charging process of the two capacitors starts. The initial value of the electric
current was lo = 25 mA, as shown in the table below, then the electric current
decreased until it vanished at t = ∞. The table below shows the values of the electric
current every two seconds as measured by the ammeter A.
R
0 2 4 6 8 10 12 14 16 18
25 20 16 13 | 10 8 7
40 55 66 75
t (s)
I (mA)
4
3
q (mC)
89
97
Determine the value R of the resistor in k2 units.
Plot the l-t graph (electric current versus time).
Determine the circuit constant time t from the l-t graph.
Determine the value C of each capacitor in µF units.
Complete the table by evaluating the electric charge q(t) on each
e)
capacitor at the moments t = 2,12,16, o.
Answer:
Transcribed Image Text:Q1. In the adjacent figure each of the two capacitors mounted in parallel has a value C, the resistor has a value R, and the power supply has value ɛ = 25 V. Upon closing the key S the charging process of the two capacitors starts. The initial value of the electric current was lo = 25 mA, as shown in the table below, then the electric current decreased until it vanished at t = ∞. The table below shows the values of the electric current every two seconds as measured by the ammeter A. R 0 2 4 6 8 10 12 14 16 18 25 20 16 13 | 10 8 7 40 55 66 75 t (s) I (mA) 4 3 q (mC) 89 97 Determine the value R of the resistor in k2 units. Plot the l-t graph (electric current versus time). Determine the circuit constant time t from the l-t graph. Determine the value C of each capacitor in µF units. Complete the table by evaluating the electric charge q(t) on each e) capacitor at the moments t = 2,12,16, o. Answer:
Expert Solution
steps

Step by step

Solved in 5 steps with 3 images

Blurred answer