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Ohm's Law
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Calculate the total resistance and current for the following circuit.
Rt = 10 + 3 + 7 + 2 = 22Ω
In which type of circuit can you find total resistance by adding all of the individual resistances?
Series
If a circuit has a current of 3 A and a resistance of 5 Ω, how much voltage is applied to the circuit?
15 V
If resistance increases in a circuit, what will happen to current?
Current will decrease.
In what way is a parallel circuit different from a series circuit?
A parallel circuit has more than one path for current flow. A series circuit has only one path for current flow.
In houses, there are __ circuits.
parallel
the movement of electrically charged particles
electric current
the amount of energy used to move one coulomb of electrons through a circuit is called ....
Voltage
What are the FOUR parts of a simple circuit?
switch, electric energy source (battery), electric device (lightbulb), electric conductor (wire)
TRUE/FALSE: A good conductor has little electric resistance so electric current can flow through it.
TRUE
How do electron move through a battery?
Chemical reactions within a battery move electrons from one end of the battery (positive terminal) to the other end (negative terminal).
What are the two terminal of a battery?
positive and negative terminal
What is the voltage drop across resistor 3?
9.0 V
Compare A1 and A2
A1 < A2
What is the current in the circuit ?
2.0 A
Total current is _____ .
5 A
Equivalent resistance is ______ .
2Ω
The total current in the circuit ______ .
7.5A
The equivalent resistance of the circuit _____ .
2.4Ω
Total Resistance is _____ .
8Ω
The total current in the circuit ____ .
2A