What type of switches operate on the principle that if a current is allowed to flow through thin conducting material exposed to a magnetic field, a voltage is produced?

What will be an ideal response?


Hall-effect switches

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What is the job title of the person who usually submits dealer warranty claims to the manufacturer?

A. Service consultant B. Warranty clerk C. Service manager D. Parts specialist

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Does the sound absorption coefficient of a material, ?, vary with frequency? What is the unit of measurement of ?? What are the theoretical minimum and maximum values of ??

What will be an ideal response?

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How long is chinchilla fur?

A) 1/4 inch B) 1/2 inch C) 1 inch D) 1 1/4 inches

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What causes high motor heat on an air cooled compressor?

a. Broken discharge or suction valves b. Inadequate airflow across the compressor from the condenser fan c. Low mass flow of suction vapor to cool the compressor motor d. Low ambient temperatures

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