A relay is essentially a switch that is operated by a magnetic coil.
a. true
b. false
a. true
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What is the length of dimension A, as a fraction?
Reduce all fractions to their simplest forms. Convert all improper fractions to mixed numbers. Provide answers in the following format: Fraction: 3/4 Mixed number: 1 5/8
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Reactive power is always _____.
a. equal to true power b. 90° out of phase with true power c. measured in ohms d. responsible for performing most of the work in a circuit
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Which device may be useful for testing hall effect sensors?
A) Low power test light B) Logic probe C) Both A and B D) Neither A nor B
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A compression ignition engine will:
a. need an ignition coil to ignite the air fuel mixture b. use a high-pressure carburetor c. rely on the heat of compression to ignite fuel d. always use a turbocharger
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