98 cards
Conductivity can be divided into two categories: ____ conductivity.
Conductance is the reciprocal of ____.
The SI unit for conductance is ____.
Some materials allow free flow of electric charge within them; these materials are called ____.
The ____ has often been visualized as a sea of electrons flowing over and past a rigid lattice of metal cations.
Due to ____, electrons are free to move around in the metal, conducting electrical charges.
Conductivity in nonionic solutions is always ____ than in ionic solutions.
____ is the movement of charge that occurs between two points that have different electrical potentials.
Current is the movement of ____ that occurs between two points that have different electrical potentials.
Current is the movement of charge that occurs between two points that have different ____.
By convention, current is defined as the movement of ____-potential end.
In reality, it is ____ potential.
Current flows only in ____ materials.
____ conduction relies on uniform movement of free electrons in metallic bonds.
Metallic conduction relies ____.
____ conduction relies on the ion concentration of a solution.
Electrolytic conduction relies on ____.
____ are materials that do not conduct a current.
____ laws express conservation of charge and energy.
Kirchhoff’s laws express conservation of ____.
____ states that the sum of currents directed into a point within a circuit equals the sum of the currents directed away from that point.
Kirchhoff’s junction rule states ____.
____ states that in a closed loop, the sum of voltage sources is always equal to the sum of voltage drops.
Kirchhoff’s loop rule states ____.
____ is opposition to the movement of electrons through a material.
Resistance is opposition to the movement of ____ through a material.
____ are conductive materials with a moderate amount of resistance that slow down electrons without stopping them.
Resistance is calculated using ____ of the material in question.
Resistance equation:____
Ohm’s law states ____.
____ states that for a given resistance, the magnitude of the current through a resistor is proportional to the voltage drop across the res…
Resistors in circuits can be combined to calculate ____ of a full or partial circuit.
Resistors in circuits can be ____ to calculate the equivalent resistance of a full or partial circuit.
Resistors in ____ are additive and sum together to create the total resistance of a circuit.
Resistors in series are additive and sum together to create the ____ of a circuit.
Resistors in ____ cause a decrease in equivalent resistance of a circuit.
Resistors in parallel cause a ____ in equivalent resistance of a circuit.
Across each resistor in a circuit, a certain amount of ____ is dissipated.
Power dissipation is dependent on ____.
Ammeters are inserted in ____ in a circuit.
____ are inserted in series in a circuit.
Ammeters are used measure ____.
____ are used measure current.
____ are inserted in parallel in a circuit.
Voltmeters are inserted in ____ in a circuit.
Voltmeters are used to measure ____.
____ are used to measure a voltage drop.
Ohmmeters are inserted ____
____ are inserted around a resistive element to measure resistance.
Ammeters have ____ resistance.
Voltmeters have ____ resistance.
Ohmmeters have ____ resistance.
____ have the ability to store and discharge electrical potential energy.
Capacitors have the ability to ____ electrical potential energy.
____ in parallel plate capacitors is determined by the area of the plates and the distance between the plates.
Capacitance in ____ capacitors is determined by the area of the plates and the distance between the plates.
Capacitance in parallel plate capacitors is determined by ____.
Capacitors in ____ cause a decrease in the equivalent capacitance of a circuit.
Capacitors in series ____
Capacitors in ____ sum together to create a larger equivalent capacitance.