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12 Cards in this Set
- Front
- Back
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What is the measurement of a potential difference between positive and negative?
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Voltage
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What is the definition of resistance?
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Opposition to current flow
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What is the measurement of electric current?
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Amperes
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The total resistance in a series circuit is equal to what?
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The sum of all resistances.
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What is the formula to calculate the current in a series circuit?
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Rt = R1 + R2 + R3 + Rn
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What formula is used for the equivalent resistance of a parallel circuit with equal resistances?
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R1 divided by the number of resistors.
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What is the equivalent resistance of two resistors in parallel having a value of 30 and 40 ohms?
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17.1 ohms
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How are two batteries connected for 12V output?
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Parallel - Positive to Positive and Negative to Negative
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What is the purpose of the batteries?
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Store voltage to crank the engine and stabilize DC electrical system.
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What are the main components to a generator?
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Stator, Rotor, and Exciter
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What are the three requirements to produce AC voltage?
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Magnetic Field, Conductor, and Relative Motion
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What controls the frequency of the AC voltage?
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Engine Speed (RPM)
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