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Test your basic knowledge |
Intro To Engineering Electricity
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 30 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A substance or material where electrons can move freely when influenced by an electric field
Compound
conductor
potential difference
electric current
2. 10^-3
Micro
Ohms
Milli
electric current
3. Is the charge warehouse - it can provide extra electrons and rid excess electrons.
ground
Current
Molecule
nano
4. A powerful force of attraction that acts only on the neutrons and protons in the nucleus - holding them together
Micro
kinetic energy
nano
strong force
5. What charge is measured in - 6.24x10^18 - bunch of electrons
Current
Atom
Watt
Coulombs
6. Negatively charged particle
Molecule
joules
Current
electron
7. Unit for power
Volts
Watt
Current
electron
8. The positively charged dense center of an atom
thermal energy
ground
Nucleus
Micro
9. Flow of charges
Molecule
conductor
Volts
electric current
10. A substance made of constant composition of the same molecule that can be broken down to elements by chemical processes
Compound
Ampere
Atom
potential energy
11. Energy of moving objects based on speed and mass
electric current
thermal energy
kinetic energy
Ampere
12. A stable particle with positive charge equal to the negative charge of an electron
Proton
kinetic energy
Atom
Ohms Law
13. Unit for energy
joules
Ohms
Compound
ground
14. Electrical energy of coulomb difference in the electrical potential between two points
potential difference
neutron
Volts
Insulator
15. Having a surplus of electrons
electron
Volts
Negative Charge
Current
16. Power the amount of energy used or produced per unit of time
Nucleus
neutron
Power
thermal energy
17. 10^-6
potential difference
Nucleus
Molecule
Micro
18. Unit for resistance
Ohms
Atom
Ohms Law
Coulombs
19. Measure in amps - Flow of electrons
Volts
Watt
Current
Micro
20. Having an unbalanced number of protons and neutrons
Charged
Nucleus
Micro
neutron
21. Stored energy waiting to be charged into some other form of energy
potential energy
Negative Charge
Coulombs
Insulator
22. A substance or material that does not allow electrons to flow easily with
electric current
Charged
nano
Insulator
23. Energy based on temperature and exchange of heat
thermal energy
Current
Molecule
Milli
24. Fundamental unit of which elements are composed
Atom
Insulator
Ampere
joules
25. Measure of electrical pressure
Watt
thermal energy
Volts
nano
26. 10^-9
Power
Ampere
nano
Nucleus
27. V=IR
Ohms Law
electric current
Molecule
nano
28. The unit of electric current
Watt
Micro
Volts
Ampere
29. Neutrally charged particle
potential difference
nano
Milli
neutron
30. A bounded collection of two or more atoms of the same element or various elements
conductor
Molecule
Micro
Charged