Overview
Brightspace Login: username: dgamez6 - Password: Chicago1816
Working DC Circuit Homework
Link Homework Assignment: https://docs.google.com/document/d/1NTPyE5DMYLGgjnJb_q1IhDbEXIjaacP3N3a0mN8Vud4/edit?tab=t.0
Conceptual Assignments:
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- Explain Ohm’s Law in your own words.
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2. What happens to total resistance in a parallel circuit?
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3. Why does a series circuit share the same current across all components?
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4. How does power dissipation work in resistors?
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5. What is the function of a diode in a DC circuit?
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6. How do you calculate the time constant in an RC circuit?
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7. What is the purpose of a transistor in a DC circuit?
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8. Why do we use capacitors in power supply circuits?
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9. How does a fuse protect a DC circuit?
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10. What role do batteries play in DC circuits?
Numerical Problems :
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- Ohm’s Law & Power Calculation
A 24V battery is connected to a circuit containing a 2Ω resistor in series with a 4Ω resistor.
- (a) Determine the total resistance of the circuit.
- (b) Find the current flowing through the circuit.
- (c) Calculate the power dissipated by each resistor.
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2. Parallel Circuit Current Distribution
A 20V power source is connected to two resistors in parallel: 8Ω and 12Ω.
- (a) Find the total equivalent resistance.
- (b) Calculate the current through each resistor.
- (c) Determine the total current drawn from the source.
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3. Kirchhoff’s Voltage Law (KVL) in a Multiloop Circuit
In the circuit below, use KVL to determine the unknown voltage (Vx).
- Given: V1 = 10V, V2 = 6V, Vx = ?, and the loop equation V1 V2 Vx = 0.
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4. Kirchhoff’s Current Law (KCL) at a Junction
At a circuit node, three currents are given:
- I1 = 5A (entering the node)
- I2 = 2A (leaving the node)
- I3 = 4A (leaving the node)
Using KCL, find the unknown current I4.
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5. RC Circuit Transient Response
A capacitor (C = 10µF) is connected in series with a resistor (R = 1kΩ) and a DC voltage source (V = 15V). The capacitor is initially uncharged.
- (a) Write the expression for the capacitor voltage Vc(t) during charging.
- (b) Find the time constant (τ = RC).
- (c) Determine the voltage across the capacitor after 5τ.
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6. Maximum Power Transfer Theorem
A circuit contains a 10Ω internal resistance and a 30V voltage source supplying power to an external load (RL).
- (a) Determine the value of RL for maximum power transfer.
- (b) Calculate the maximum power delivered to RL.
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7. Energy Stored in a Capacitor
A capacitor (C = 50µF) is charged to 100V.
- (a) Calculate the energy stored in the capacitor using the formula W = (1/2) C V².
- (b) If the capacitor discharges through a 2kΩ resistor, determine the time required for the voltage to drop to 10V.
Please make sure to have a full explanation of conceptual and numerical problems clearly in the order listed in the question below. Once you are done, submit it to Brightspace at the link below:
Li:nk (Brightspace Submission - DC Circuit Homework Only): https://brightspace.ccc.edu/d2l/lms/dropbox/user/folder_submit_files.d2l?db=1326912&grpid=0&isprv=0&bp=0&ou=328336
Working on DC Circuit Discussion
DC Circuit Discussion (10pts / question)
Include at least 500+ words in your discussion board post. Include the word count in your post.
1. What are the key differences between series and parallel circuits?
2. How does a capacitor behave in a DC circuit over time?
3. Why does resistance affect current flow?
4. How do Kirchhoff’s Laws apply in realworld circuits?
5. What are the advantages of using DC power in certain applications?
Make sure to follow the questions and answer with a clear discussion assignment.
First, Click to Start a New Thread. 
Next, enter the subject: David Gamez - DC Circuit Discussion.
Then, write 500+ Words for the following Questions and Answers in the discussion board:
1. What are the key differences between series and parallel circuits?
2. How does a capacitor behave in a DC circuit over time?
3. Why does resistance affect current flow?
4. How do Kirchhoff’s Laws apply in realworld circuits?
5. What are the advantages of using DC power in certain applications?
Then answer in the discussion board of 500+ words:
1. Key Differences Between Series and Parallel Circuits:
2. Capacitor Behavior in a DC Circuit Over Time:
3. Resistance and Its Effect on Current Flow:
4. Application of Kirchhoff’s Laws in Real-World Circuits:
5. Advantages of Using DC Power in Certain Applications:
Write on the Brightspace Discussion Board Only.
Make sure that the discussion board and words are clear. Once you finish in Brightspace, click the post button on the screen to post this discussion.
Link (Discussion Board Post to Brightspace - DC Circuit Discussion): https://brightspace.ccc.edu/d2l/le/328336/discussions/topics/806727/View