Describe Lenz’s Law.

What will be an ideal response?


Induced voltage will always be the opposite polarity as the electrical source voltage that created it. When dealing with self-induction is called CEMF.

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When troubleshooting an electrical problem, where is a good place to start?

A) At the relay B) Remove the insulation from the wiring to test the wires C) Ground wires under the carpet D) None of these

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Which of the following statements about a single pole double throw relay is NOT true?

A) It has two positions (NC and NO). B) It has one common contact. C) It has a center off position. D) It is called an SPDT type of relay.

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How can a confined space, such as a walk-in cooler or underground tunnel, become a safety hazard?

A) Cell phones do not receive service in confined spaces. B) The nitrogen can combine with carbon dioxide to form a toxic gas. C) The oxygen is limited—long exposure can cause suffocation. D) Electricity flows more readily in a confined space.

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Fixed calipers are mounted directly to the steering knuckle have at least two pistons.

Answer the following statement true (T) or false (F)

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