Physics » F. Electromagnetism » F.2. Direct Current Circuits

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Circuit Diagrams

• Overview
• Distinguishing between open and closed circuits and determining whether or not electricity will flow
• Identifying the following circuit components: batteries, resistors, and switches
• Distinguishing between series and parallel circuits

Basic Ohm’s Law Problems

• Overview
• Determining the current using the equation I = ΔQ / Δt where ΔQ represents that magnitude of charge
• Solving Ohm’s Law word problems using the equation V = IR

Power

• Overview
• Solving problems involving power using the equation P = VI
• Solving problems involving power using Ohm’s law and the equation P = IV

Ohm’s Law Problems for Series Circuits

• Overview
• Determining the total voltage and voltage drop across each specific resistor in a series circuit
• Determining the total current and the current for each specific resistor in a series circuit
• Determining the equivalent resistance and the resistance of specific resistors in a series circuit
• Determining the total power and the power of specific resistors in a series circuit

Ohm’s Law Problems for Parallel Circuits

• Overview
• Determining the total voltage and voltage drop across each specific resistor in a parallel circuit
• Determining the total current and the current for each specific resistor in a parallel circuit
• Determining the equivalent resistance and the resistance of specific resistors in a parallel circuit
• Determining the total power and the power of specific resistors in a parallel circuit

Ohm’s Law Problems for Complex Circuits

• Overview
• Determining the total voltage and voltage drop across each specific resistor in a complex circuit
• Determining the total current and the current for each specific resistor in a complex circuit
• Determining the equivalent resistance and the resistance of specific resistors in a complex circuit
• Determining the total power and the power of specific resistors in a complex circuit