Term
| An electrical circuit contains, at minimum, a(n) ____. |
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Definition
| Voltage source, load, and conductors |
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| A type of subatomic particle with a positive charge is a ____. |
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| Which of the following substances is considered an insulator? |
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| The voltage commonly supplied to a residence by the local utility is ____. |
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| Another term used for voltage is ____. |
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Definition
| Electromotive force or emf |
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| In order to calculate the current flowing in a circuit, you would multiply voltage by resistance. (T/F) |
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| The color band that represents tolerance on a resistor is the ____. |
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| In a parallel circuit, the total resistance is ____ the smallest resistance. |
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| Circuit continuity is checked using the ____ function of a multimeter. |
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| The power in a circuit with 120 volts and 5 amps is ____. |
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| A(n) ____ is an instrument for measuring electrical current. |
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Definition
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Term
| Measured in amperes, ____ is the flow of electrons in a circuit. |
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Definition
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Term
| A(n) ____ is the force required to produce a current of one ampere through a resistance of one ohm. |
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Definition
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Term
| Voltage is measured with a(n) _____. |
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| One volt applied across on ohm of resistance causes a current flow of one ____. |
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Term
| One volt is the potential difference between two points for which one coulomb of electricity will do one ____ of work. |
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Definition
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Term
| A(n) ____ is the common unit used for specifying the size of a given charge. |
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Term
| _____ is the driving force that makes current flow in a circuit. |
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Definition
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| The basic unit of measurement for electrical power is the ______. |
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Term
| The_____ is the smallest particle of an element that will still retain the properties of that element. |
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| The _____ is the center of the atom. |
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| Found in the nuclei of atoms, _____ are electrically positive particle and ______ are electrically neutral particles. |
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Definition
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Term
| The outermost ring of electrons orbiting the nucleus of an atom is known as the _____. |
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Definition
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Term
| A(n) _____ is a negatively charged particle that orbits the nucleus of an atom. |
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Term
| _____ is any substance that has mass and occupies space. |
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Term
| The prefix used to indicate one thousand is _____. |
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Definition
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Term
| The prefix used to indicate one million is _____. |
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Term
| Consisting of two or more cells, _____ convert chemical energy into electrical energy. |
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Definition
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Term
| A(n) _____ is a complete path for current flow. |
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Definition
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Term
| A material through which it is relatively easy to maintain an electric current is a(n) _____. |
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Definition
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Term
| A(n) _____ is a material through which it is difficult to conduct an electric current. |
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Definition
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Term
| The basic unit of measurement for resistance is the ____. |
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Definition
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Term
| The instrument that is used to measure resistance is called a(n) ______. |
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Definition
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Term
| _____ is a statement of the relationship between current, voltage, and resistance in an electrical circuit. |
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Definition
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Term
| _____ is the rate of doing work or the rate at which energy is used or dissipated. |
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Definition
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Term
| Measured in ohms, _____ is the electrical property that opposes the flow of current through a circuit. |
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Definition
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Term
| A(n) _____ is a component that normally opposes current flow in a DC circuit. |
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Definition
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Term
| A(n) _____ is a drawing in which symbols are used to represent the components in a system. |
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Definition
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Term
| A(n) _____ circuit has only one route for current flow. |
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Definition
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Term
| The change in voltage across a component is called _____. |
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Definition
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Term
| A(n) _____ is an electromechanical component used as a switching device. |
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Definition
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Term
| A device containing one or more coils of wire wrapped around a common core is called a(n) _____. |
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Definition
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Term
| An electromagnetic device used to control a mechanical device such as a valve is called a(n) _____. |
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Definition
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Term
| An atom that is missing two or fewer electrons from its outer shell will _____. |
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Definition
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| Current is measured in units called _____. |
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Definition
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Term
| All conductors have _____. |
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Definition
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Term
| To find voltage when both current and resistance are known, use the formula _____. |
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Definition
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Term
| A resistor with a color code of yellow, orange, red, and silver has a tolerance of _____. |
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Definition
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Definition
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Term
| When using an in-line ammeter, it is important to connect the meter in series. (T/F) |
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Definition
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Term
| If a toaster draws 6.2A of current at 120V, how many kilowatt-hours of energy will be used in 3.5 hours? |
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Definition
Formula: P = I*E; P*h = watt-hour. Once watt-hour is calculated, use scientific notation at will to provide answer in kilowatt-hour.
Answer: 2588 Wh or 2.588 kWh |
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Term
| If a battery sends a current of 10A through a circuit for one hour, how many coulombs will flow through the circuit? |
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Definition
Formula: I = Q/T;
Q = charge in coulombs
T = Time in seconds
if 1 hour has 3600 seconds, then:
I = Q/T becomes 10A = Q/3600
Answer: 36k Coulombs |
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Term
| The charges particles of an atom are called _____. |
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Definition
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Term
| Conductors have _____ or fewer valence electrons. |
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Definition
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Term
| The sum of the difference in potential of all the charges in an electrostatic field is called _____. |
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Definition
| Electromotive force or EMF |
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Term
| Electric charge is measured in _____ . |
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Definition
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Term
| Resistance is measured in ____. |
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Definition
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Term
| Find the resistance when the voltage is 120V and the current is 6A. |
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Definition
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Term
| Give the resistance value and tolerance of a resistor where the color bands are red, yellow, brown, and silver. |
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Definition
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Term
| What is the power in a 120V circuit with a current of 12.5A? |
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Definition
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Term
| What is the voltage in a 30ohm circuit with a power rating of 480W? |
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Definition
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Term
| An ohmmeter is used to measure resistance and check for _____. |
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