TSA: Electrical Applications FINAL EXAM PREP 2025/2026 COMPLETE QUESTIONS WITH CORRECT DETAILED ANSWERS || 100% GUARANTEED PASS <LATEST VERSION>

TSA: Electrical Applications FINAL EXAM PREP 2025/2026 COMPLETE QUESTIONS WITH CORRECT DETAILED ANSWERS || 100% GUARANTEED PASS &lt;LATEST VERSION&gt; 1. What are the pins of a transistor called? - ANSWER Base, Collector, and Emitter 2. A automatic switch that is similar to a fuse in purpose, but can be used multiple times. - ANSWER Circuit Breaker 3. A material through which charges can easily flow. - ANSWER Conductor 4. A negatively charged particle found in atoms that is a carrier of electricity. - ANSWER Electron 5. The process used in modern nuclear power plants. - ANSWER Fission 6. A safety device with a thin metal strip that will melt if too much current passes through a circuit. - ANSWER Fuse 7. A connection that allows current to take an unintended path. - ANSWER Short Circuit 8. A coil of wire with a current that acts as a bar magnet. - ANSWER Solenoid 9. The loss of static electricity as electric charges transfer from one object to another. - ANSWER Static Discharge 10. A buildup of charges on an object. - ANSWER Static Electricity 11. A transformer that decreases voltage. - ANSWER Step-Down Transformer 12. A transformer that increases voltage. - ANSWER Step-Up Transformer 13. A magnet made from a material that easily loses its magnetism. - ANSWER Temporary Magnet 14. A convenient attachment point used to connect a cell of battery to a circuit. - ANSWER Terminal 15. The round prong of a plug that connects any metal pieces in an appliance to safety. - ANSWER Third Prong 16. A device that increases or decreases voltage. - ANSWER Transformer 17. An electronic component used to amplify an electronic signal or to switch current on and off. - ANSWER Transistor 18. The difference in electrical potential energy between two places in a circuit. - ANSWER Voltage 19. A device that creates an electrical potential energy difference in an electric current; for example batteries and generators. - ANSWER Voltage Source 20. A device used to measure voltage, or electrical potential energy difference. - ANSWER Voltmeter 21. What turns the generator in hydroelectric plants. - ANSWER Water 22. A diode that can conduct in reverse bias and is commonly used in voltage regulation. - ANSWER Zener Diode 23. A resistor with the bands brown, black, blue, has a resistance of __MEG ohms. - ANSWER 10 24. NPN - ANSWER The arrow on the emitter is pointing out on the schematic of this type transistor. 25. PNP - ANSWER The arrow on the emitter is pointing in on the schematic of this type transistor. 26. Power - ANSWER The rate at which one form of energy is transformed into another: measured in watts. 27. Third Prong - ANSWER The round prong of a plug that connects any metal pieces in an appliance to safety. 28. Transistor - ANSWER An electronic component used to amplify an electronic signal or to switch current on and off. 29. Voltage - ANSWER The difference in electrical potential energy between two places in a circuit. 30. Voltage Source - ANSWER A device that creates an electrical potential energy difference in an electric current; for example batteries and generators. 31. Voltmeter - ANSWER A device used to measure voltage, or electrical potential energy difference. 32. Water - ANSWER What turns the generator in hydroelectric plants. 33. Zener Diode - ANSWER A diode that can conduct in reverse bias and is commonly used in voltage regulation. 34. A resistor with the bands orange, yellow, orange, has a resistance of __ ohms. - ANSWER 34K 35. A resistor with a gold band as the forth one has a tolerance of __% - ANSWER 5 36. A resistor with the bands green, black, black, has a resistance of __ ohms. - ANSWER 50 37. How many pins does a transistor have? - ANSWER 3 38. How many pins are on a 555 Timer Circuit? - ANSWER 8 39. When R1 and R2 are connected in a series, what is the total resistance? - ANSWER R1 + R2 40. When R1 and R2 are connected in parallel, what is the total resistance? - ANSWER (R1 x R2) / (R1 + R2) 41. When R1, R2, and R3 are connected in parallel, what is the total resistance? - ANSWER 1 / ((1 / R1) + (1 / R2) + (1 / R3)) 42. Circuit component "Q1" could either be a transistor or this. - ANSWER SCR 43. If a resistor is 64 ohms, what are the colors of its first three bands? - ANSWER blue, yellow, black 44. If a resistor is 620k ohms, what are the colors of its first three bands? - ANSWER blue, red, yellow 45. If a resistor is 62 ohms, what are the colors of its first three bands? - ANSWER blue, red, black 46. What petroleum is made from. - ANSWER Crude Oil 47. The largest primary source of electrical energy in the United States. - ANSWER Coal 48. What positive and negative particles do when brought together. - ANSWER Attract 49. What two negative particles do when brought together. - ANSWER Repel 50. How much one horsepower is. - ANSWER 746 watts 51. The unit resistance is measured in. - ANSWER Ohms 52. The unit power is measured in. - ANSWER Watt 53. ...states that flow of electrons is from positive to negative. - ANSWER Conventional Flow Theory 54. ...states that the flow of electrons is from negative to positive. - ANSWER Electron Flow Theory 55. ...is the simplest element with a single electron in orbit around a core of one proton. - ANSWER Hydrogen 56. The most complex element is ____________ with 92 electrons in orbit around a core of 92 protons. - ANSWER Uranium 57. Conductors conduct electrical current very easily because of their free electrons. Some common conductors are copper, aluminum, gold, silver, and even salt water. - ANSWER A conductor is.... Some good conductor are.... 58. Insulators oppose electrical current and make poor conductors. Some common insulators are glass, air, plastic, rubber, and wood. - ANSWER An insulator is.... Some good insulators are... 59. Elements with less than four electrons in their outer rings are _____ ____________. - ANSWER Good Conductors 60. Elements with more than four electrons in their outer rings are _____ ____________. - ANSWER Good Insulators 61. Elements with exactly four electrons is a _____-__________. - ANSWER Semi-Conductor 62. The speed of light is... - ANSWER 6.28 billion miles per hour 63. Electric current creates its own _________ ____ around the wire. - ANSWER Magnetic Field 64. Magnetic lines have direction and change direction when.... - ANSWER ...the current flow changes in the wire from one direction to another. 65. As current increases the... - ANSWER ...the magnetic field strengthens. 66. ....is the force that causes current to flow through an electrical conductor. - ANSWER Voltage 67. Voltage is often referred to as the potential or force and is measured in ______. - ANSWER ....Volts. 68. Voltage can be generated __________________ __ __________________. - ANSWER ...Mechanically or Chemically. 69. _____________ is the flow of electrons through a conductor. - ANSWER Current (amperes) 70. Current is measured in units of ____. - ANSWER ...Amps. 71. ______________ is the opposition to the flow of electrical current by the conductor through which it is passing. - ANSWER Resistance 72. Resistance is measured in units called _______. - ANSWER ...Ohms 73. Series circuits... (Three Points) - ANSWER Have high circuit resistance More than one load One path for current flow 74. Parallel circuits... (Three Points) - ANSWER Have low circuit resistance More than one load More than one current path 75. Series Parallel circuits.... (Three Points) - ANSWER Have more than two loads Some loads are connected in series 76. Some loads are connected in parallel 77. Fuse - ANSWER A safety device with a thin metal strip that will melt if too much current passes through a circuit. 78. Galvanometer - ANSWER A device that uses an electromagnet to detect small amounts of current. 79. Grounded - ANSWER Allowing charges to flow directly from the circuit into Earth in the event of a short circuit. 80. Hardware - ANSWER The permanent components of a computer, including the central processing unit and input, output, and memory storage devices. 81. Induction - ANSWER A method of charging an object by means of the electric field or another object; the objects have no direct contact. 82. Input Device - ANSWER A device that feeds data to a CPU; a keyboard is an input device. 83. Insulator - ANSWER A material through which charges cannot easily flow. 84. Integrated Circuit - ANSWER A circuit that has been manufactured on a chip (a tiny slice of semiconductor), which can contain thousands of diodes, transistors, and resistors. 85. Intellectual Property - ANSWER A story, poem, computer program, or similar product owned by the author. 86. Internet - ANSWER An international computer network that shares data, information, and news; the internet links millions of businesses, schools, research organizations, and individual users. 87. Magnet - ANSWER Any material that attracts iron and material that contain iron. 88. Magnetic Declination - ANSWER The angle between geographic north to which a compass needle points. 89. Magnetic Domain - ANSWER A region in which the magnetic fields of all atoms are lined up in the same direction. 90. Magnetic Field - ANSWER The region around a magnet where the magnetic force is exerted. 91. Magnetic Field Lines - ANSWER Invisible lines that map out the magnetic field around a magnet. 92. Magnetic Force - ANSWER A force produced when magnetic poles interact. 93. Magnetic Pole - ANSWER The ends of a magnetic object, where the magnetic force is strongest. 94. Magnetism - ANSWER The force of attraction or repulsion of magnetic materials. 95. Magnetosphere - ANSWER The region of Earth's magnetic field shaped by the solar wind. 96. Mechanical Energy - ANSWER The energy an object has due to its movement or position. 97. Neutron - ANSWER The small uncharged particle that is found in the nucleus of an atom. 98. Nucleus - ANSWER The core at the center of every atom. 99. Ohm's Law - ANSWER The law that states that resistance is equal to voltage divided by current. 100. Output Device - ANSWER A device that presents data from a computer; a monitor is an output device.