Determine the steady-state current i(t) in the circuits below:
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Hi please help the image is attached below. Thank you.
![**Determine the steady-state current \( i(t) \) in the circuits below:**
(Here, include any images or diagrams of the circuits in question. Ensure they are clearly labeled for students to reference as they learn about steady-state currents.)
Explanation:
- **i(t)**: This denotes the current as a function of time \( t \).
- **Steady-state current**: The current after a long period, when all transient effects have died out and the system is in equilibrium.
To determine the steady-state current:
1. Identify the components in the circuit (resistors, capacitors, inductors, etc.).
2. Apply Ohm's Law \( V = IR \) where applicable.
3. Use Kirchhoff's Voltage and Current Laws for complex circuits.
4. Solve the resulting equations for \( i(t) \).
Graphs/Diagrams:
- If a diagram includes resistors, capacitors, and inductors, label them with their respective symbols (R for resistors, C for capacitors, and L for inductors).
- If there is a graph depicting current over time, label the axes (Time \( t \) on the x-axis and Current \( i(t) \) on the y-axis).
For further study, refer to our detailed module on analyzing electrical circuits to understand the principles behind steady-state currents in various configurations.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F755354d9-56be-4d3a-9cd7-bb7b08867ede%2F9a2f1afc-b1da-4f6f-b701-7fe97d7f29fe%2Fhcidj_processed.png&w=3840&q=75)
Transcribed Image Text:**Determine the steady-state current \( i(t) \) in the circuits below:**
(Here, include any images or diagrams of the circuits in question. Ensure they are clearly labeled for students to reference as they learn about steady-state currents.)
Explanation:
- **i(t)**: This denotes the current as a function of time \( t \).
- **Steady-state current**: The current after a long period, when all transient effects have died out and the system is in equilibrium.
To determine the steady-state current:
1. Identify the components in the circuit (resistors, capacitors, inductors, etc.).
2. Apply Ohm's Law \( V = IR \) where applicable.
3. Use Kirchhoff's Voltage and Current Laws for complex circuits.
4. Solve the resulting equations for \( i(t) \).
Graphs/Diagrams:
- If a diagram includes resistors, capacitors, and inductors, label them with their respective symbols (R for resistors, C for capacitors, and L for inductors).
- If there is a graph depicting current over time, label the axes (Time \( t \) on the x-axis and Current \( i(t) \) on the y-axis).
For further study, refer to our detailed module on analyzing electrical circuits to understand the principles behind steady-state currents in various configurations.
![### Educational Resource: Electrical Circuit Analysis
#### Circuit Diagram Description:
This circuit consists of:
1. **AC Voltage Source**: Represented by a sinusoidal waveform symbol, the voltage source provides an alternating current (AC) voltage defined by the function \( v(t) = 80 \cos (200t) \).
2. **Capacitor**: Labeled as \( C \) with a capacitance value of \( 100 \mu F \) (microfarads).
3. **Current Flow**: Indicated by the red arrow representing \( i(t) \), which is the current flowing through the circuit.
#### Detailed Description:
- **Voltage Source \( v(t) \)**: The voltage source in this circuit provides a time-varying voltage given by the equation \( v(t) = 80 \cos (200t) \). This equation describes an AC voltage with an amplitude of 80 volts and a frequency defined by the term \( 200t \), indicating the angular frequency is 200 radians per second.
- **Capacitor \( C \)**: The circuit includes a capacitor with a capacitance of \( 100 \mu F \). The capacitor stores energy in the form of an electric field and its behavior in the circuit depends on the frequency of the applied AC voltage.
- **Current \( i(t) \)**: The red arrow indicates the direction of the current \( i(t) \) that flows in response to the applied voltage \( v(t) \).
#### Explanation of the Circuit Operation:
When an AC voltage is applied across a capacitor, the current \( i(t) \) leads the voltage \( v(t) \) by 90 degrees (π/2 radians) in phase. This leading current is a characteristic behavior of capacitors in AC circuits.
The relationship of the current \( i(t) \) to the voltage \( v(t) \) in a purely capacitive circuit is given by:
\[ i(t) = C \frac{dv(t)}{dt} \]
Given the voltage \( v(t) = 80 \cos (200t) \):
1. Calculate the derivative of \( v(t) \):
\[ \frac{dv(t)}{dt} = 80 \cdot (-200) \sin(200t) = -16000 \sin(200t) \]
2. Multiply by the capacitance \( C \):
\[ i(t) = 100](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F755354d9-56be-4d3a-9cd7-bb7b08867ede%2F9a2f1afc-b1da-4f6f-b701-7fe97d7f29fe%2F2t8r5n7_processed.png&w=3840&q=75)
Transcribed Image Text:### Educational Resource: Electrical Circuit Analysis
#### Circuit Diagram Description:
This circuit consists of:
1. **AC Voltage Source**: Represented by a sinusoidal waveform symbol, the voltage source provides an alternating current (AC) voltage defined by the function \( v(t) = 80 \cos (200t) \).
2. **Capacitor**: Labeled as \( C \) with a capacitance value of \( 100 \mu F \) (microfarads).
3. **Current Flow**: Indicated by the red arrow representing \( i(t) \), which is the current flowing through the circuit.
#### Detailed Description:
- **Voltage Source \( v(t) \)**: The voltage source in this circuit provides a time-varying voltage given by the equation \( v(t) = 80 \cos (200t) \). This equation describes an AC voltage with an amplitude of 80 volts and a frequency defined by the term \( 200t \), indicating the angular frequency is 200 radians per second.
- **Capacitor \( C \)**: The circuit includes a capacitor with a capacitance of \( 100 \mu F \). The capacitor stores energy in the form of an electric field and its behavior in the circuit depends on the frequency of the applied AC voltage.
- **Current \( i(t) \)**: The red arrow indicates the direction of the current \( i(t) \) that flows in response to the applied voltage \( v(t) \).
#### Explanation of the Circuit Operation:
When an AC voltage is applied across a capacitor, the current \( i(t) \) leads the voltage \( v(t) \) by 90 degrees (π/2 radians) in phase. This leading current is a characteristic behavior of capacitors in AC circuits.
The relationship of the current \( i(t) \) to the voltage \( v(t) \) in a purely capacitive circuit is given by:
\[ i(t) = C \frac{dv(t)}{dt} \]
Given the voltage \( v(t) = 80 \cos (200t) \):
1. Calculate the derivative of \( v(t) \):
\[ \frac{dv(t)}{dt} = 80 \cdot (-200) \sin(200t) = -16000 \sin(200t) \]
2. Multiply by the capacitance \( C \):
\[ i(t) = 100
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