Ohm's Law and Circuit Basics

Master the basics of electrical circuits and Ohm's Law.

Sample Cards

Ohm's Law

The relationship between voltage, current, and resistance in a circuit

Resistance

The opposition to the flow of electric current in a circuit

Series Circuit

The type of circuit where components are connected end to end

Parallel Circuit

The type of circuit where components are connected across common points

Ampere (A)

The unit used to measure electric current

The Equation for Ohm’s Law (V = IR)

Voltage equals Current times Resistance

Electric Current

The flow of electric charge in a circuit

Voltage (Electric Potential Difference)

The force that pushes electric charge around a circuit

Ohm's Law and Circuit Basics Flashcards

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What's in this deck?

Ohm's Law

The relationship between voltage, current, and resistance in a circuit

The relationship between voltage, current, and resistance in a circuit

Ohm's Law

Resistance

The opposition to the flow of electric current in a circuit

The opposition to the flow of electric current in a circuit

Resistance

Series Circuit

The type of circuit where components are connected end to end

The type of circuit where components are connected end to end

Series Circuit

Parallel Circuit

The type of circuit where components are connected across common points

The type of circuit where components are connected across common points

Parallel Circuit

Ampere (A)

The unit used to measure electric current

The unit used to measure electric current

Ampere (A)

The Equation for Ohm’s Law (V = IR)

Voltage equals Current times Resistance

Voltage equals Current times Resistance

The Equation for Ohm’s Law (V = IR)

Electric Current

The flow of electric charge in a circuit

The flow of electric charge in a circuit

Electric Current

Voltage (Electric Potential Difference)

The force that pushes electric charge around a circuit

The force that pushes electric charge around a circuit

Voltage (Electric Potential Difference)

Power in Electrical Circuits

The rate at which electrical energy is converted to another form of energy

The rate at which electrical energy is converted to another form of energy

Power in Electrical Circuits

Kirchhoff's Voltage Law

The total electromotive force around any closed loop or mesh in a network is equal to the sum of the potential drops in that loop

The total electromotive force around any closed loop or mesh in a network is equal to the sum of the potential drops in that loop

Kirchhoff's Voltage Law

Kirchhoff's Current Law

The sum of currents entering a junction or node is equal to the sum of currents leaving the same junction

The sum of currents entering a junction or node is equal to the sum of currents leaving the same junction

Kirchhoff's Current Law

Ohm

The unit used to measure resistance

The unit used to measure resistance

Ohm

Resistors in Series

Resistors arranged in a chain, so the same current flows through each one

Resistors arranged in a chain, so the same current flows through each one

Resistors in Series

Resistors in Parallel

Resistors arranged parallel to each other, so the voltage across each one is the same

Resistors arranged parallel to each other, so the voltage across each one is the same

Resistors in Parallel

AC Current

An electric current that periodically changes its direction

An electric current that periodically changes its direction

AC Current

DC Current

An electric current that flows in a consistent direction

An electric current that flows in a consistent direction

DC Current

Electrical Conductivity

The measure of a material's ability to conduct electricity

The measure of a material's ability to conduct electricity

Electrical Conductivity

Battery in a Circuit

Supplies electrical energy that pushes electrons through a circuit

Supplies electrical energy that pushes electrons through a circuit

Battery in a Circuit

Resistor

Device used in an electric circuit to restrict the flow of electrons

Device used in an electric circuit to restrict the flow of electrons

Resistor

Capacitor

Device used in an electric circuit to store electric charge

Device used in an electric circuit to store electric charge

Capacitor

Electrical Power (P = IV)

Power equals Current times Voltage

Power equals Current times Voltage

Electrical Power (P = IV)

Short Circuits

A circuit that allows electric current to take an unintended path with no or a very low electrical impedance

A circuit that allows electric current to take an unintended path with no or a very low electrical impedance

Short Circuits

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