Physics Unit 7: Electric Current Flashcards

Front

Circuit

Back

A conducting circle or loop through which current can flow.

Front

Current

Back

The rate of electric charge with respect to time as it moves through a circuit.

Front

Ohm’s law

Back

Defines how voltage (potential difference) is calculated; V=IR (Voltage = Current × Resistance).

Front

Parallel circuit

Back

An electrical circuit in which each resistor must have its own complete path from the positive terminal to the negative terminal of the voltage source, so each operates independently.

Front

Potential difference

Back

The difference in electric potential (voltage, EMF) between two points in a circuit.

Front

Power

Back

The rate at which work is done or energy is transformed, typically measured in watts (W).

Front

Resistance

Back

A property of a material or component that slows the flow of current in a wire, typically measured in ohms (Ω).

Front

Schematic

Back

A diagram, or graphical representation, of an electrical circuit in the form of symbols and pictures.

Front

Series circuit

Back

An electrical circuit in which all resistors are connected on one path from the positive terminal to the negative terminal of the power source, so they operate concurrently.

Front

Ammeter

Back

A device used to measure the current flowing through a circuit, typically in amperes (A).