Basic Electrical and Lighting

What unit is used to measure electric current?

Which of the following is a type of current that flows in one direction?

What does LED stand for?

What is the voltage of a standard LED?

Which of the following is used to protect electrical circuits from surges?

What is the primary function of a resistor in an electrical circuit?

Which type of current alternates direction?

What is the term for the amount of electrical energy consumed in one hour?

Which of the following devices converts electrical energy into light?

What is the formula for calculating electrical power?

Which device can be used to measure voltage in a circuit?

What does the term 'watt' measure?

What is the purpose of a fuse in an electrical circuit?

Which of the following describes the term SPD?

What is the function of a transformer in an AC circuit?

How does an LED differ from a traditional incandescent bulb?

What is a primary characteristic of DC voltage?

Which electrical component is used to store energy?

What is the relationship between voltage, current, and resistance as described by Ohm's Law?