Study Guide

Front

What is a point of reference in motion?

Back

A point of reference is a fixed point used to determine the position of an object in motion.

Front

What is the difference between speed and velocity?

Back

Speed is the rate of motion, while velocity includes both speed and direction.

Front

What unit is frequency measured in?

Back

Frequency is measured in hertz (Hz).

Front

What is the function of a transistor?

Back

Transistors act as switches for a large current controlled by a small current.

Front

What is the role of a power source in a circuit?

Back

The power source provides energy for the circuit to function.

Front

Define speed in terms of motion.

Back

Speed is the distance traveled per unit of time.

Front

Define velocity in terms of motion.

Back

Velocity is the displacement per unit of time in a specific direction.

Front

What does a circuit diagram represent?

Back

A circuit diagram represents the components and connections in an electrical circuit.

Front

What is resistance in an electrical circuit?

Back

Resistance is the opposition to the flow of electric current, measured in ohms.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.