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Circuits Solved Problems

circuit laws | series and parallel resistors | dependent current and power sources | power and efficiency | nodal analysis | mesh analysis | superposition 


Circuit Laws

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​2.1 - Use Ohm's Law to find the current flowing through the resistor.
Circuits Ohms Law Solved Example Problem
Solution

​2.2 - Use Ohm's Law to find the current flowing through each resistor in this series circuit.
Circuits Ohms Law Solved Example Problem
Solution

​2.3 - Use Ohm's Law to find the total circuit current, and the current flowing through each resistor in this parallel circuit.
Circuits Ohms Law Solved Example Problem
Solution

​2.4 - Use Kirchhoff's Current Law (KCL) to determine the unknown current. Is it flowing into or out of the junction?
Circuits KCL Solved Example Problem
Solution

​2.5 - Use Kirchhoff's Current Law (KCL) to find the current in each branch of the circuit.
Circuits KCL Solved Example Problem
Solution

​2.6 - Use Kirchhoff's Current Law (KCL) to find the current in each branch of the circuit.
Circuits KCL Solved Example Problem
Solution

​2.7 - Use Kirchhoff's Voltage Law (KVL) to find the voltage drop across each circuit element.
Circuits KVL Solved Example Problem
Solution

​2.8 - Use Kirchhoff's Voltage Law (KVL) to find the voltage drop across each circuit element.
Circuits KVL Solved Example Problem
Solution


Series and Parallel Resistors

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​3.1 - Find the total circuit current and voltage drop across each resistor in this simple series circuit.
Circuits Series Resistors Example Problem
Solution

​3.2 - Find the voltage drop and current for each resistor in this simple parallel circuit.
Circuits Parallel Resistors Example Problem
Solution

​3.3 - Find the current and voltage drop across each resistor in this series-parallel circuit.
Circuits Series Parallel Resistors Example Problem
Solution

​3.4 - Find the current and voltage drop across each resistor in this series-parallel circuit.
Circuits Series Parallel Resistors Example Problem
Solution

​3.5 - Find the current and voltage drop across each resistor in this complex series-parallel circuit.
Circuits Series Parallel Resistors Example Problem
Solution

​3.6 - Find the current and voltage drop across each resistor in this nasty complex series-parallel circuit.
Circuits Series Parallel Resistors Example Problem
Solution


Dependent Current and Power Sources

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​4.1 - This circuit has a voltage controlled current source (VCCS), which is a dependent power source. Determine the current in every branch, and the power delivered or consumed by each element.
Circuits VCCS Voltage Controlled Current Source Dependent Power Source Example Problem
Solution

​4.2 - This circuit has a current controlled current source (CCCS), which is a dependent power source. Determine the current in every branch, and the power delivered or consumed by each element.
Circuits CCCS Current Controlled Current Source Dependent Power Source Example Problem
Solution

​4.3 - This circuit has a voltage controlled voltage source (VCVS), which is a dependent power source. Determine the current in every branch, and the power delivered or consumed by each element.
Circuits VCVS Voltage Controlled Voltage Source Dependent Power Source Example Problem
Solution

​4.4 - This circuit has a current controlled voltage source (CCVS), which is a dependent power source. Determine the current in every branch, and the power delivered or consumed by each element.
Circuits CCVS Current Controlled Voltage Source Dependent Power Source Example Problem
Solution


Power and Efficiency

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​5.1 - Determine the power consumed by each resistor in this series circuit. Also calculate total power consumed by the circuit, and the total power supplied to the circuit. 
Circuits Series Resistors Power Consumption Example Problem
Solution

​5.2 - Determine the power consumed by each resistor in this parallel circuit. Also calculate total power consumed by the circuit, and the total power supplied to the circuit. 
Circuits Parallel Resistors Power Consumption Example Problem
Solution

​5.3 - Determine the power consumed by each resistor in this series-parallel circuit. Also calculate total power consumed by the circuit, and the total power supplied to the circuit. 
Circuits Series-Parallel Resistors Power Consumption Example Problem
Solution

​5.4 - Determine the power consumed by each resistor in this series-parallel circuit. Also calculate total power consumed by the circuit, and the total power supplied to the circuit. 
Circuits Series-Parallel Resistors Power Consumption Example Problem
Solution


Nodal Analysis

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​6.1 - Use nodal analysis to determine all node voltages. Also determine the voltage drop and current in each resistor. 
Circuits Nodal Analysis Example Problem
Solution

​6.2 - Use nodal analysis to determine all node voltages. Also determine the voltage drop and current in each resistor. 
Circuits Nodal Analysis Example Problem
Solution

​6.3 - Use nodal analysis to determine all node voltages. Also determine the voltage drop and current in each resistor. 
Circuits Nodal Analysis Example Problem
Solution


Mesh Analysis

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