Skills and Trades

Most metals are poor conductors.

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Electricity is commonly defined as the flow of free electrons through an insulator.

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Copper is the metal most commonly used as an electric conductor.

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Which of the following can be classified as a semiconductor?

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Tiny particles called ________ rotate in orbits around the nucleus of an atom.

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The process by which atoms either gain or lose electrons is called

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The particles that can be found within an atom are:

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The field of electronics is based on the ability of semiconductors to ________ an electric signal.

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Electricity is commonly defined as:

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An atom possesses a neutral electric charge because:

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A simple continuity tester circuit is made up of:

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A normal copper atom contains 29 electrons. According to the Bohr model of the atom, the placement ...

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A good insulator of electricity is a substance that:

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A continuity tester is used to check a fuse. When the fuse is connected across the test leads, a ...

Started by Gabby

The earth is considered an effective ground-fault current path because its resistance is very low.

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Metal ladders are approved for use on electrical installations.

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Lockout/tagout devices must be installed by every authorized employee involved in the work.

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Grounding is the same as bonding.

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GFCIs sense leakage currents too small to operate standard branch circuit fuses or circuit breakers.

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Electric shock occurs when the body becomes part of the electric circuit.

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Bonding is the permanent joining of metal parts that aren't intended to carry current during normal operation.

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Arc faults can occur as series or parallel arcs.

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An arcing fault involves current flowing through the air.

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When opening a disconnect switch:

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What type of material is capable of bursting into flames?

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