Circuits Basics
Like charges _______ and opposite charges ________
What is like charges repel and opposite charges attract?
The measure of electric potential energy
What is voltage?
The number of paths in a series circuit
What is one?
The number of paths in a parallel circuit
What is two or more?
How much current is in a circuit that includes two 9-volt batteries and a bulb with a resistance of 3 ohms?
What is 6 amps?
The flow or motion of charge
What is current?
The unit and abbreviation for resistance
What is ohms abbreviated with an omega?
The impact of breaking the circuit between the last resistor and the negative battery terminal
What is loss of current to all resistors in the circuit
The impact of breaking the circuit
What is, depending on the location of the break, some but not all resistors will maintain current flow
What is the voltage of a circuit with 15 amps of current and a toaster with 8 ohms of resistance?
What is 120 volts?
A complete path through which current can travel
What is an electric circuit?
The relationship between current and voltage
What is directly proportional?
The same at all points in a series circuit
What is current?
The same at all points in a parallel circuit
What is voltage?
An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.
What is 240 ohms?
The quick, universal "language" of circuits
What are electric symbols used in a circuit diagram?
The relationship between current and resistance
What is inversely proportional?
The impact of adding resistors to a series circuit
The total resistance increases
The impact of adding resistors to a parallel circuit
What is the total resistance decreases?
What is the voltage drop across each resistor in a series circuit with a 6 volt battery and 2 resistors that both have a resistance of 1 ohm?
What is 3 volts?
Any electrical device that uses energy carried by electric current in a specific way
What is a resistor?
The three properties of wires that can impact resistance
What are length of wire, temperature of wire, and wire gauge?
The result of the power from the current being reduced after every resistor in a series circuit
What is voltage drop?
The law that summarizes how the current in the circuit branches relates to the total current
What is Kirchoff's Current Law?
What is the current in each branch of a parallel circuit that has a 12 volt battery and two branches, one with a resistance of 2 ohms and the other with a resistance of 3 ohms?
What are the branch with 2 ohms has 6 amps and the branch with 3 ohms has 4 amps?