CM - U5L1 Understanding Electricity in Devices

Front

What is the role of insulators in an electrical system?

Back

To oppose the flow of electricity

Front

Which of the following best describes the difference between analog and digital signals? Options: Analog signals have discrete values, while digital signals are continuous. Analog signals vary continuously, while digital signals have discrete, binary values. Both analog and digital signals are continuous. Both analog and digital signals have discrete values.

Back

Analog signals vary continuously, while digital signals have discrete, binary values.

Front

What is the purpose of grounding in an electrical system?

Back

To prevent electricity from following unintended paths

Front

Consider a scenario where a power surge occurs. Which device would be most effective in protecting computer equipment from damage?

Back

A surge protector

Front

If a device requires 10 volts and 2 amps to operate, what is the power consumption in watts?

Back

20 watts