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Electronics and Measurement Vocabulary QUIZ #6

Total questions: 29

Worksheet time: 15mins

Name
Class
Date
1.

What is the negatively charged subatomic particle that can freely move between atoms?

a)

Electron

b)

Proton

c)

Neutron

d)

Positron

2.

What is the movement of charged particles called?

a)

Current

b)

Voltage

c)

Resistance

d)

Capacitance

3.

What is the opposition to current measured as an ohm called?

a)

Resistance

b)

Capacitance

c)

Inductance

d)

Conductance

4.

What is a breadboard (also called a protoboard) used for in electronics?

a)

A reusable platform for temporarily building electronic circuits.

b)

A device for permanently soldering electronic components.

c)

A tool for measuring electrical resistance.

d)

A storage box for electronic components.

5.

What does a multimeter typically measure?

a)

Voltage, current, and resistance.

b)

Temperature, humidity, and pressure.

c)

Speed, acceleration, and distance.

d)

Weight, mass, and volume.

6.

What is an electrical circuit that has a very high resistance between the voltage source and ground called?

a)

Open circuit

b)

Short circuit

c)

Closed circuit

d)

Series circuit

7.

What is a variable that represents a quantity being manipulated in an experiment called?

a)

Independent variable

b)

Dependent variable

c)

Control variable

d)

Constant

8.

What is a variable whose value depends on how the independent variable is manipulated called?

a)

Dependent variable

b)

Constant variable

c)

Control variable

d)

Extraneous variable

9.

What is a line (or curve) used to represent the behavior of data to help identify trends and patterns in data called?

a)

Trendline

b)

Histogram

c)

Pie chart

d)

Scatter plot

10.

What is the range of values in which measurements are tolerated called?

a)

Margin of error

b)

Standard deviation

c)

Mean value

d)

Absolute zero

11.

In measurement, what is one-half of the smallest unit of measure (increment) on a device called?

a)

Greatest possible error

b)

Least count

c)

Zero error

d)

Systematic error

12.

What is the VEX V5 Battery designed to maximize?

a)

Motor performance

b)

Battery weight

c)

Robot size

d)

Sensor count

13.

Fill in the blank: ______ is an accurate representation of an object or phenomenon. Models can be visual, physical, mathematical, or computational, and are often used in the development of scientific theories or the engineering of artifacts.

a)

Model

b)

Theory

c)

Hypothesis

d)

Experiment

14.

Fill in the blank: A ______ is a visual representation of an idea. It can be a sketch, concept map, schematic, flow chart, or any other visual representation.

a)

conceptual model

b)

algorithm

c)

hypothesis

d)

experiment

15.

Fill in the blank: A ______ is a pictorial representation (such as a picture, map, or technical drawing) used to convey detailed information. In engineering, these models are created using standards of engineering graphics to document a design and are often referred to as technical drawings.

a)

graphical model

b)

verbal model

c)

numerical model

d)

physical model

16.

Fill in the blank: A ______ is a working model used to test a design concept by making observations and necessary adjustments.

a)

Prototype

b)

Blueprint

c)

Algorithm

d)

Hypothesis

17.

Fill in the blank: ______ can be beneficial in conjunction with any of the other model types throughout the entire design process. This type of modeling is especially important to engineering design. If solving a problem does not involve applying mathematics, the solution process is generally not considered to be engineering.

a)

Mathematical models

b)

Physical prototypes

c)

Computer simulations

d)

Conceptual sketches

18.

Which component is commonly used to limit the flow of electric current in a circuit?

a)

Resistor

b)

Capacitor

c)

Inductor

d)

Transformer

19.

Fill in the blank: A ______ is a physical or digital device used to display the output of an electrical circuit, such as voltage or current.

a)

meter

b)

generator

c)

relay

d)

switch

20.

What is the main purpose of a schematic diagram in electronics?

a)

To store electrical energy

b)

To increase the voltage in a circuit

c)

To measure the resistance of a component

d)

To visually represent the connections and components in a circuit

21.

Which device is used to open or close an electrical circuit manually?

a)

Switch

b)

Resistor

c)

Capacitor

d)

Diode

22.

What is the unit of measurement for electric current?

a)

Volt

b)

Ampere

c)

Ohm

d)

Watt

23.

Fill in the blank: A ______ is a component that stores electrical energy in an electric field.

a)

Transistor

b)

Inductor

c)

Resistor

d)

Capacitor

24.

Which component is used to convert alternating current (AC) to direct current (DC) in an electronic circuit?

a)

Resistor

b)

Rectifier

c)

Capacitor

d)

Inductor

25.

Fill in the blank: The ______ is the part of an experiment that remains unchanged to provide a basis for comparison.

a)

dependent variable

b)

control variable

c)

extraneous variable

d)

independent variable

26.

What is the main function of a fuse in an electrical circuit?

a)

To store electrical energy

b)

To increase the voltage in the circuit

c)

To protect the circuit by breaking the connection if current exceeds a safe level

d)

To amplify the signal

27.

Which variable in an experiment is kept constant to ensure a fair test?

a)

Dependent variable

b)

Extraneous variable

c)

Control variable

d)

Independent variable

28.

What is the main purpose of using a prototype during the engineering design process?

a)

To create a detailed technical drawing

b)

To measure electrical resistance

c)

To test and refine design concepts before final production

d)

To permanently assemble the final product

29.

Which instrument is commonly used to measure the voltage across a component in a circuit?

a)

Barometer

b)

Thermometer

c)

Ammeter

d)

Voltmeter