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What is the unit of electrical power? |
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What is a two terminal device which permits current to flow in only one direction called? |
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In 1911, Kammerlingh Onnes, a Dutch scientist, discovered what electrical device? |
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What is a charge in motion referred to as? |
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What electrical item is calculated by the product of the resistance times the current squared (R*l^2)? |
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An intrinsic conductor is also known as _________. |
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Which Italian scientist developed the battery? |
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_________ are charges at rest. |
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DC and AC stand for _________. |
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Direct Current and Alternating Current |
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P-type semiconductors have an abundance of _________ charge carriers. |
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Who first discovered the relationship between electricity and magnetism by deflecting a compass point with an electric current? |
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What is a charged atom called? |
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An alternator generates _________ by rotating a loop of wire between the poles of a permanent magnet. |
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In logic circuits, if one input is on and the other input is off, what is the result of an OR gate? |
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In 1948, the transistor was invented by _________. |
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The _________ is the metal strip in a DC motor that picks up the current. |
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What is the unit of measurement by which electric bills are calculated? |
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The process of adding impurities to a crystal is _________. |
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Who discovered electromagnetic induction? |
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When current goes through a wire a _________ is created. |
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What is the storage of electric charge? |
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Switching circuits or _________ perform repetitive operations. |
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digital integrated circuits |
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Who discovered that lighting is a form of electricity? |
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What is a positively charged ion? |
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What is the unit of capacitance? |
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What electrical component is responsible for the miniaturization of electronic equipment? |
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The time required for a capacitor to charge or discharge is dependent on the _________ in the circuit. |
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What is the name for the positive electrode? |
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A piece of wire designed to melt when current flowing through reaches a certain value is a _________. |
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Amplifying and switching are two popular uses for what solid-state device? |
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What is the ability of a battery to deliver power over a given time? |
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What removes unwanted frequency components of an electrical signal? |
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The _________ of a diode is the max current that the device can conduct for a partial cycle of operation. |
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_________ is an electronic component capable of change from response in an external signal. |
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Metal conducts electricity better as it becomes _________. |
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A _________ coil produces high voltage from a low one. |
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In logic gates, if one input is on the the other is off, what is the result of a NAND gate? |
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A _________ is a coil of wire wound around a core of magnetic material. |
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A quantitive measure of an electric charge is _________. |
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What causes static electricity? |
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What is the main part of an electrical amplifier? |
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An alternate path in a circuit is _________. |
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A _________ is a solution of acid and water. |
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When AC is converted to DC, it is said to be _________. |
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In logic circuits, if one input is on and the other is off, what is the result of a NOR circuit? |
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The property of a circuit that opposes a change in voltage in a circuit is _________. |
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The production of electricity in a material through the application of pressure is said to be the _________. |
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What law states that the current in a parallel circuit is equal to the sum of the current in its branches? |
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Kirchoff's Current Law of Parallel Circuits |
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Base, emitter, and collector are the three connections to a _________. |
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Name a known shield against magnetism. |
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Converting energy from one form to another is __________. |
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The basic instrument used to measure AC signal voltages and waves is the __________. |
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What type of semiconductor has an abundance of electrons as carriers? |
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What law states that the voltage across all branches of a parallel circuit are equal? |
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A popular way of finding an unknown resistance in a circuit is with a __________. |
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The working voltage direct current is the voltage at which a can withstand without destruction to the dielectric. |
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What are the impurities added to semiconductors called? |
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Of the following, which wire size is the biggest? 36 awg 12 awg 24 awg 6 awg |
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A __________ is whenever electrons are allowed to return to the source without passing through the complete circuit. |
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What type of wave represents alternating current? |
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What type of diode is purposely manufactured to operate in the reverse direction? |
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A popular mathematical equation to solve for current, voltage, and resistance is __________. |
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The __________ of a conductor is influences by material type, size, length, and temperature. |
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Which of the following is a rotating machine which concerts mechanical energy to electrical energy? |
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SSI, MSI, LSI, and VLSI are ways of classifying the component density of __________. |
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What is the free movement of electrons in an electric field? |
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Low wattage resistors are generally labeled by a __________. |
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The __________ replaced the vacuum tube in electrical and electronic devices. |
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__________ is the measure of resistance that relates purely to the properties of the material. |
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The __________ is determined by the number of turns of wire, the current in the wire coil, the core material, and the ratio of the coil diameter to the coil length. |
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strength of an electromagnet |
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__________ is equal to 6.24 x 10e18 electrons. |
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In diodes, __________ is the maximum voltage that can be applied to the diode in the reverse direction without destroying it. |
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What is an electrical switch that can be operated wither magnetically or electrically? |
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A relay is an example of a __________ switch. |
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