Block IV Study Guide

Front

What is apparent power in an electrical circuit?

Back

Apparent power is the power consumed by the entire circuit, including both resistance and reactance, symbolized by the letter S and measured in Volt-Amps.

Front

What type of switch uses incandescent or LED bulbs to indicate its function?

Back

Lighted pushbutton switches.

Front

What is the basic functionality of all amplifiers?

Back

Gains.

Front

What role do shells play in an atom?

Back

They determine the energy level of electrons.

Front

What does the acronym ESD stand for in relation to aircraft?

Back

Electrostatic Discharge.

Front

What is the unit of measurement for apparent power?

Back

Volt-Amps (VA).

Front

What is the difference between active power and apparent power?

Back

Active power is the actual power consumed by the circuit, while apparent power is the total power, including both active and reactive components.

Front

What are the two main types of switches used in electrical circuits?

Back

Mechanical switches and electronic switches.

Front

What is the function of an amplifier in an electrical circuit?

Back

To increase the power, voltage, or current of a signal.

Front

What is the significance of energy levels in an atom?

Back

Energy levels determine the arrangement of electrons and their potential energy.