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12 Cards in this Set
- Front
- Back
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What is the basic unit of voltage?
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The volt
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What is the basic unit of current?
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The amp
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What is the basic unit of resistance?
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The ohm
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Which law of electricity is the most important for an aircraft mechanic to know?
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Ohm's law
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What are the three elements in Ohm's law?
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Voltage, current, resistance (volts, amps, and ohms)
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What are five sources of electrical energy?
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Magnetism, chemical energy, light, heat, and pressure
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What four things affect the resistance of an electrical conductor?
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The material, the cross-sectional area, the length, and the temperature
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How can you tell the resistance of a composition resistor?
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By a series of colored bands around one end of the resistor
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What three things must all electrical circuits contain?
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A source of electrical energy, a load to use the energy, and conductors to join the source and the load
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What is the purpose of a capacitor?
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To store electrical energy in electrostatic fields
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What is the basic unit of capacitance?
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The farad
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Why should electrolytic capacitors not be used in AC circuits?
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The are polarized.
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