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Ohm's Law

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