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Test your basic knowledge |
Basic Electricity Vocab
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 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 circuit in which there is resistance (load) connected both in series and parallel.
Series - Parallel Circuit
Magnetic Material
Electron
Parallel Circuit
2. Certain quantity of electrons. The unit of measure that specifies the rate at which electric current flows per second.
Fuse
Resistance
Coulomb
Ampere
3. The condition where the free electrons are caused to move in the same direction along or through a conductor.
Non - Magnetic Material
Magnetic Pole
Electron Flow
Resistance
4. Total and complete opposition to the flow of electrons
Ohmmeter
Voltage Drop
Secondary Winding
Impedance
5. A cell which is composed of certain materials which are used up during the process of delivering electric current.
Parallel Circuit
Primary Cell
Conductor
Horsepower
6. A single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of an atom.
Ohmmeter
Cycle
Valance Electron
Proton
7. The liquid solution (sometime a paste) in which the electrodes are placed.
Ohm's Law
Electromagnetic Induction
Ohm
Electrolyte
8. A circuit with two or more paths for the current to take.
Volt
Parallel Circuit
Magnetic Circuit
Magnetic Material
9. Term applied to the loss of voltage in forcing current through any portion of a circuit. Different factors will cause a drop; material - size - (cross - sectional area) length - temperature.
Voltage Drop
Shells
Electrolyte
Lines of Force
10. One millionth of a volt.
Current
Micro Volt
Series - Parallel Circuit
Three -Phase Circuit
11. Transformer coil connected to the load. (Output side of a transformer regardless of voltage).
Bound Electrons
Alternator
Proton
Secondary Winding
12. The area surrounding a magnet in which magnetic properties are exhibited
Conductor
Magnetic Field
Potential Difference
Bound Electrons
13. A unit of power.
Volt
Potential Difference
Watt
Resistor
14. Lines representing the direction of the magnetic force in a magnetic field.
Magnetic Lines of Force
Lagging Current
Magnetic Pole
Proton
15. A material which can be magnetized - principally iron.
Magnetic Material
Lines of Force
Conductor
Watt
16. 1.Material itself (Atomic Structure - Good conductor or Bad) 2.Length of the conductor 3.Cross - sectional area (Size) 4.Temperature
Shells
Factors Governing Resistance
Ohmmeter
Electro- Motive Force
17. A material which CANNOT be magnetized. Example: Wood - Glass - Brass - Rubber...
Non - Magnetic Material
Step- Down Transformer
Bimetallic Strip
Horsepower
18. One millionth of an ohm.
Micro Ohm
Secondary Cell
Step-Up Transformer
Electric Generator
19. A certain force exhibited by some materials which give them the ability to attract other materials. Principally iron or its alloys.
Step-Up Transformer
Magnetism
Magnetic Material
Kilowatt Hour
20. The process of producing an electromotive force in a conductor as a result of the cutting of magnetic lines of force by a conductor.
Three -Phase Circuit
Electromagnetic Induction
Lines of Force
Secondary Cell
21. Hardened steel which has been magnetized artificially and which retains its magnetic properties
Voltage Drop
Secondary Cell
Permanent Magnet
Conductor
22. Those electrons in orbit nearest the nucleus - not easily dislodged from their normal orbits.
Bound Electrons
Short Circuit
Fuse
Impedance
23. 1.Speed of conductors cutting lines of force 2.Strength of the magnetic field 3.Length of conductors cutting through the field
Resistor
Step- Down Transformer
Bound Electrons
Factors governing the Value of EMF of a Generator
24. The dissimilar metals which are placed in an electrolyte to form a cell.
Electrode
Horsepower
Resistance
Condenser
25. The space around a magnet in which the magnetic force is felt.
Lagging Current
Magnetic Field
Electrode
Mega Ohm
26. Fundamental constituents of matter. The 'elements' (tiny particles) which come together in various combinations to form molecules of many substances.
Shells
Atom
Positive Plate
Series Circuit
27. A device used to change the voltage of an alternating current circuit.
Transformer
Mega Ohm
'Crose Phase'
Fuse
28. The unit of resistance. It is the resistance through which a voltage of 1 volt will produce a current of 1 ampere.
Secondary Winding
Electron Flow
Electro- Motive Force
Ohm
29. A unit of work or ENERGY. 1 kilowatt hour = 1 -000 watt hours
Ohm's Law
Kilowatt Hour
Magnetic Poles
Meter
30. A circuit carrying three alternating currents whose cycles begin one after another. 120 electrical degrees apart.
Three -Phase Circuit
Micro Volt
Rotor
Magnetic Circuit
31. Opposition to current flow
Resistance
Secondary Winding
Electrical Circuit
Micro Ampere
32. A transformer designed to raise the voltage of an alternating current. Most common use; In a generating plant to raise the voltage.
Ohm's Law
Resistance
Current
Step-Up Transformer
33. Single POSITIVE electrical charge - located in the middle of an atom.
Proton
Insulator
Mega Ohm
'Crose Phase'
34. Any of the spaces occupied by the orbits of a group of electrons of approximately equal energy surronding the nucleus of an atom.
Shells
Residual Magnetism
Milliampere
Short Circuit
35. The electrodes of a cell shaped as plates to expose a surface as possible to the electrolyte.
Current
Ohmmeter
Bimetallic Strip
Plates
36. The time rate at which work is done or energy is transferred. When a pressure of 1 volt sends a current of 1 ampere through a resistance of 1 ohm - the power in the circuit is said to be 1 watt.
Molecule
Power
Transformer
Bound Electrons
37. A machine which utilizes magnetism to produce an EMF and consequently - an electric circuit.
Residual Magnetism
Current
Electric Generator
Electro- Motive Force
38. The path of an electric current. To permit a steady flow of current - the path must be complete. Commonly - a complete circuit includes a device for the production of an electromotive force - connecting wires - and a device supplied with electricity.
Watt
Valance Electron
Milliampere
Circuit
39. That property of a material which determines how readily it conducts magnetic lines of flux. Opposite magnetic quality or conductivity.
Ohm
Natural Magnet
Permeability
Magnetic Pole
40. The center portion of an atom which has a positive electrical charge.
Magnetic Lines of Force
Nucleus
Permanent Magnet
Millivolt
41. A material that has many free electrons thus allowing electric current to flow through it easily.
Conductor
Kilowatt Hour
Series Circuit
Amp Meter
42. A measuring device.
Lines of Force
Volt
Electrical Circuit
Meter
43. A circuit with only one path for current to flow. There are no branches.
Series Circuit
Valance Electron
Voltmeter
Electron
44. The complete path through which the lines of force travel - leaving the north pole and re- entering the south pole.
Magnetic Circuit
Watt
Bound Electrons
Conductor
45. Several secondary cells connected together for either a greater voltage or current output.
Atom
Storage Battery
Magnetic Poles
Magnetism
46. A material with few free electrons. A structure or material used to prevent the passage of current.
Volt
Molecule
Resistor
Insulator
47. A resistor designed so that its resistance is readily adjusted.
Rheostat
Nucleus
Kilowatt
Meter
48. A unit of power; equal to 550 foot- pounds per second of approximately 746 watts.
Secondary Winding
Bound Electrons
Shells
Horsepower
49. (Lode Stone) Certain type of mineral ore which has the natural Properties of a magnet.
Natural Magnet
Transformer
Potential Difference
Magnetic Lines of Force
50. An instrument for measuring electric current
Amp Meter
Non - Magnetic Material
Step- Down Transformer
Secondary Cell