In this chapter, most examples and problems involved direct current (DC). DC circuits have the current flowing in one direction, from positive to negative. When the current was changing, it was changed linearly from I = − I max t o I = + I max and the voltage changed linearly from V = − V max to V = + V max where V max = I max R .Suppose a voltage source is placed in series with a resistor of R = 10 Ω that supplied a current that alternated as a sine wave, for example, I ( t ) = ( 3.00 A ) sin ( 2 π 4.00 s t ) . (a) What would a graph of the voltage drop across the resistor V(t) versus time look like? (b) What would a plot of V(t) versus I (t) for one period look like? (Hint: If you are not sure, try plotting V(t) versus I (t) using a spreadsheet.)
In this chapter, most examples and problems involved direct current (DC). DC circuits have the current flowing in one direction, from positive to negative. When the current was changing, it was changed linearly from I = − I max t o I = + I max and the voltage changed linearly from V = − V max to V = + V max where V max = I max R .Suppose a voltage source is placed in series with a resistor of R = 10 Ω that supplied a current that alternated as a sine wave, for example, I ( t ) = ( 3.00 A ) sin ( 2 π 4.00 s t ) . (a) What would a graph of the voltage drop across the resistor V(t) versus time look like? (b) What would a plot of V(t) versus I (t) for one period look like? (Hint: If you are not sure, try plotting V(t) versus I (t) using a spreadsheet.)
In this chapter, most examples and problems involved direct current (DC). DC circuits have the current flowing in one direction, from positive to negative. When the current was changing, it was changed linearly from
I
=
−
I
max
t
o
I
=
+
I
max
and the voltage changed linearly from
V
=
−
V
max
to
V
=
+
V
max
where
V
max
=
I
max
R
.Suppose a voltage source is placed in series with a resistor of R = 10
Ω
that supplied a current that alternated as a sine wave, for example,
I
(
t
)
=
(
3.00
A
)
sin
(
2
π
4.00
s
t
)
. (a) What would a graph of the voltage drop across the resistor V(t) versus time look like? (b) What would a plot of V(t) versus I(t) for one period look like? (Hint: If you are not sure, try plotting V(t) versus I(t) using a spreadsheet.)
The V vs t graph shown below is for the capacitor of an RC circuit.
V (V)
16
12.
8.
4.
15.
Second graph
The Q vs t graph shown below is for the capacitor of an RC circuit.
Q (C)
20
10.
9 18 27 36 45 54 63 72 81 90
5.
0.5
1.
1.5
2.
t(s)
2.5
t(s)
Determine the time constant of the RC circuit.
T = 5.92136 s
X
If C = 10 F, determine R.
R =
52
In this case, was the capacitor charging or discharging? ---Select---
Determine the time constant of the RC circuit.
T =
If C = 4 F, determine R.
R =
| 12
In this case, was the capacitor charging or discharging? ---Select---
In the circuit diagram R1 = 5R and R2 = 15R, where R = 14 Ω. The power dissipated in resistor 2 is P = 1.6 W.
Part (a) What is the voltage across the battery in volts?
Part (b) How much power, Ps, is the source supplying, in watts?
A 1000.0 Ω resistor is placed in series with two 100.0 μF capacitors in series and the combination is connected to a battery. Determine the time constant of the circuit.
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DC Series circuits explained - The basics working principle; Author: The Engineering Mindset;https://www.youtube.com/watch?v=VV6tZ3Aqfuc;License: Standard YouTube License, CC-BY