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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. The unit of electric current
Ampere
Volts
thermal energy
conductor
2. Stored energy waiting to be charged into some other form of energy
Micro
nano
Negative Charge
potential energy
3. Fundamental unit of which elements are composed
strong force
potential energy
Atom
neutron
4. A powerful force of attraction that acts only on the neutrons and protons in the nucleus - holding them together
Nucleus
strong force
Atom
Charged
5. Having a surplus of electrons
Negative Charge
Ampere
strong force
Compound
6. Unit for power
Negative Charge
Watt
Ampere
potential difference
7. V=IR
potential energy
potential difference
Ohms Law
Volts
8. What charge is measured in - 6.24x10^18 - bunch of electrons
Ampere
nano
Coulombs
Charged
9. Energy based on temperature and exchange of heat
Milli
potential energy
thermal energy
Volts
10. A substance or material that does not allow electrons to flow easily with
Ohms Law
potential energy
Insulator
neutron
11. A substance or material where electrons can move freely when influenced by an electric field
Charged
Atom
conductor
Insulator
12. The positively charged dense center of an atom
Proton
Nucleus
strong force
Micro
13. Is the charge warehouse - it can provide extra electrons and rid excess electrons.
Insulator
joules
ground
Molecule
14. A substance made of constant composition of the same molecule that can be broken down to elements by chemical processes
Milli
Compound
electric current
Ampere
15. Power the amount of energy used or produced per unit of time
Power
potential energy
Volts
potential difference
16. Negatively charged particle
Molecule
ground
electron
Negative Charge
17. 10^-9
Milli
electron
nano
Nucleus
18. 10^-3
Power
electron
potential difference
Milli
19. Having an unbalanced number of protons and neutrons
Negative Charge
Proton
electron
Charged
20. A bounded collection of two or more atoms of the same element or various elements
Power
Volts
Ampere
Molecule
21. 10^-6
Ampere
Watt
Micro
Compound
22. Electrical energy of coulomb difference in the electrical potential between two points
neutron
Negative Charge
potential difference
potential energy
23. Measure of electrical pressure
Volts
Ohms
potential difference
kinetic energy
24. A stable particle with positive charge equal to the negative charge of an electron
Atom
Compound
potential energy
Proton
25. Neutrally charged particle
Ohms Law
Insulator
Ohms
neutron
26. Flow of charges
Ohms Law
electric current
nano
potential energy
27. Unit for resistance
Proton
Ohms
Nucleus
strong force
28. Unit for energy
nano
thermal energy
joules
Negative Charge
29. Energy of moving objects based on speed and mass
Insulator
Molecule
strong force
kinetic energy
30. Measure in amps - Flow of electrons
Ampere
Ohms Law
Current
Nucleus