If an object likes to have more electrons, it has a higher _____.
What is electron affinity.
100
How does a negative charge gain potential energy with a negative source charge?
What is moving the two particles closer together.
100
Define equivalent resistance?
What is the resistance that a single resistor would need to match the resistance of the total system.
100
The equivalent resistance of a parallel circuit will _____ with every resistor that is added.
What is decrease.
200
What atomic particles are located in the nucleus of an atom?
What are protons and neutrons.
200
When a ballon is rubbed against hair it becomes negatively charged through ______.
What is friction.
200
Electric potential is the potential energy per _____.
What is charge.
200
The current in a series circuit is ______ everywhere.
What is the same.
200
When a parallel circuit breaks from the main line, that junction is called a _____.
What is a node.
300
Oppositely charged particles _______?
What is attract.
300
Placing a ballon NEXT TO two connected soda cans then grounding the soda cans is an example of charging through ______.
What is induction.
300
What is the definition of electric potential difference?
What is the difference in electric potential (V) between the final and the initial location when work is done upon a charge to change its potential energy.
300
In a series circuit, the sum of the change in voltage after each resistor will equal the voltage of the _______.
What is battery.
300
The total current in a parallel circuit is equal to the _____.
What is the sum of the currents in each branch.
400
In an insulator the electrons are evenly distributed throughout the object. (True or False)
What is False.
400
A "ground" is something that serves as a/an_______.
What is an infinite reservoir of electrons.
400
Charges will move from an area of high potential to low potential because they have a lot of electric ______.
What is pressure.
400
Three resistors are on a series circuit. The first has 12 ohms of resistivity, the second has 7 ohms and the third has 2. What is the equivalent resistance of the system?
What is 21 ohms.
400
The change in voltage in each branch of the parallel circuit is equal to the _______.
What is the total change in voltage of the system.
500
How is a wall able to attract a balloon without gaining a charge?
What is polarization.
500
When two objects touch and become charged, this is called charging through ______.
What is conduction.
500
Classic electric field diagrams represent a stronger field intensity with a higher ______ ________.
What is line density.
500
The change in voltage after is resistor is equal to the _____ multiplied by the ______.
What is current multiplied by resistance.
500
A parallel circuit has three resistors. The first has a resistance of 2 ohms, the second has a resistance of 4 ohms, and the third has a resistance of 8 ohms. What is the equivalent resistance of the system?