Static Electricity
The symbol for Electric Charge
What Is q?
The definition of Electric Potential difference
What is the change in Electric Potential Energy per Unit Charge?
The standard unit for Current.
What is an Ampere (A)?
The definition of resistance.
What is the measure of the opposition to the flow of charge in an electrical current?
The definition of Ohm's Law.
What is the statement 'the current in an electrical circuit is directly proportional to the applied voltage and inversely proportional to the resistance providing the temperature of the conductor remains constant'?
The standard Unit of Electric Charge
What is Coulomb (C)?
The measuring device to determine the Voltage.
What is a Voltmeter (or Multimeter)?
The measuring device for current.
What is an Ammeter (or Multimeter)?
The definition of resistivity.
What is the measure of the resistance to the flow of a charge in a material given length and cross-sectional area?
An Ohmic Conductor.
What is a material in which current and electric potential difference are proportional?
These two charges have an attractive force
What is a positive and negative charge?
The equation for Voltage using the change of electric potential energy.
What is (delta)V = ((Delta) Ep) / q ?
The direction of conventional current
What is the the term called for the direction of positive charge in a circuit?
Variables that effect the resistance of a material.
What are length, cross-sectional area (Thickness), and temperature?
An non-ohmic conductor.
What is an electrical conductor?
What is a Joule?
The equation for electric current using charge.
What is I = q / t ?
The equation for resistivity.
What is p = (R x A) / L?
The formula for Ohm's Law.
What is (Delta)V = I x R ?
The charge on a surface of one Van De Graaff generator is 5 x 10-5 C. Calculate the number of electrons removed from the surface of the metal dome.
(The charge on an electron is 1.6 x 10-19 C)
What is 3 x 1014 electrons?
The change in electric potential energy of an electron as it moves between two terminals of a 9 V battery apart of a circuit with a lightbulb.
(The charge of an electron is -1.6 x 10-19 C)
What is 1.4 x 10-18 J
The current for a circuit where 54C of charge flows through a lightbulb every 30 seconds.
What is 1.8 A?
The resistance of an iron wire who's length is 25 mm, resistivity is 9.7 x 10-8 (Ohm-meters), and diameter is 0.4 mm.
What is 1.9 x 10-2 Ohms?
The resistance in a wire that has a current of 4.0 A and a potential difference of 2.0 V.
What is 0.5 Ohms?