Electricity Flashcards Chapter 11

The flow of electrons through a closed path

• A closed path along which electrons that are powered by an energy source can flow
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A source of energy that generates an electric current by chemical reactions involving two different metals or metal compounds separated by a solution or conductor

• A connection of two or more cells
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One of two metal terminals in a cell or battery

A solution or paste that conducts charges

• A cell that contains an electrolyte that is a paste
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• A cell that contains liquid electrolyte
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A cell that can be used only once

A cell that can be recharged

A cell that converts sunlight into electrical energy

A cell that generates electricity through the chemical reactions of fuel that is stored outside the cell

A cell that converts sunlight into electrical energy

A position on a cell that must be connected to other components to form a circuit

A control device that can complete or break the circuit to which it is connected

A circuit that contains a gap or break

A measure of the charged particles that pass by a point in an electric each second

The quantity of charge that is equal to the charge of 6.25 x 10 electrons

The unit of electric current, equivelent to one coulomb per second

The property of a substance that hinders electric current and converts electrical energy to other form of energy

A device used in an electric circuit to decrease the current through a component by a specific amount

A resistor or any other device that transforms electrical energy into heat, motion, sound, or light

The difference between the electric potential energy per unit of charge at two points in a circuit

The unit for potential difference; equivelent to one Joule (J) per Coulomb (C)

A diagram that uses standard symbols to represent the components in an electric circuit and their connections

• A circuit in which there is only one path along which electrons can flow
• Series and Parallel circuits are compared below:
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• A circuit in which there is more than one path in which electrons can flow
• Series and Parallel circuits are compared below:
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The ratio of potential difference to current is a constant called resistance

The unit for resistance, equivelent to one volt per ampere (V/A)

A material through which electrric electric charge can flow with no resistance

Not following Ohm's Law

• Loads that are all connected to the same wires
• V_T = V₁ + V₂ + V₃
• IT = I₁ = I₂ = I₃
• R_T = R₁ + R₂ + R₃

• Loads that are not all connected to the same wires
• V_T = V₁ = V₂ = V₃
• I_T = I₁ + I₂ + I₃
• R_T < R₁ ; R_T < R2 ; R_T <R₃