Electricity: Ohm's law
a year ago
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20 QuestionsShow answers
  • Question 1
    60 seconds
    Q. What is current measured in?
    answer choices
    Ω (Ohms)
    V (Volts)
    A (Amps)
    W (Watts)
  • Question 2
    60 seconds
    Q. What is resistance measured in?
    answer choices
    Ω (Ohms)
    V (Volts)
    A (Amps)
    W (Watts)
  • Question 3
    60 seconds
    Q. What is Resistance?
    answer choices
    The flow of electrons
    Electric potential difference
    A battery
    The ability to reduce the flow of electrons
  • Question 4
    60 seconds
    Q. Electricity that flows in a closed path is called a
    answer choices
    path
    current
    circuit
    light
  • Question 5
    30 seconds
    Q.

    Voltage divided by Resistance

    (V / R)

    answer choices

    Current

    Power

    Ohms

    Watts

  • Question 6
    60 seconds
    Q. Current times Resistance equals
     (I X R)
    answer choices
    Power
    Voltage
    Amperage
    Ohm
  • Question 7
    60 seconds
    Q.

    Voltage divided by Current

    (V / I)

    answer choices

    Current

    Power

    Resistance

    Watts

  • Question 8
    60 seconds
    Q. If the Voltage is increased and the resistance stays the same, Current will
    answer choices
    Increase
    Decrease
    Stay the same
    X
  • Question 9
    60 seconds
    Q. If the Voltage stays the same and Resistance is increased, Current will 
    answer choices
    Increase
    Decrease
    Stay the same
    X
  • Question 10
    60 seconds
    Q. What size resistor would produce a 3 Amp current flow with a 12 Volt battery
    answer choices
    1 Ohm
    3 Ohms
    4 Ohms
    12 Ohms
  • Question 11
    30 seconds
    Q. How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
    answer choices
    10 volts
    1 volt
    48 volts
    5 volts
  • Question 12
    30 seconds
    Q. What size resistor would produce a 3 Amp current flow with a 12 Volt battery
    answer choices
    1 Ohm
    3 Ohms
    4 Ohms
    12 Ohms
  • Question 13
    60 seconds
    Q. The plastic covering is there to:
    answer choices
    Provide a conductor for electrical energy to flow.
    Provide an insulator so that electrical energy will not pass outside of the wires.
    Provide a conductor so that electrical energy can NOT flow.
    Provide an insulator so that electrical energy can flow.
  • Question 14
    30 seconds
    Q. Factor which does not affect the resistance
    answer choices
    Type of material
    Length of material
    Mass of the material
    Area of the material
  • Question 15
    300 seconds
    Q. This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
    answer choices
    3 Amps
    192 Amps
    2 Amps
    4 Amps
  • Question 16
    120 seconds
    Q.

    What is the name for the pressure that forces electrons to flow through a circuit?

    answer choices

    Voltage

    Capacitance

    Resistance

    Current

  • Question 17
    180 seconds
    Q. What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
    answer choices
    25 V
    10 V
    2.5 V
    0.4 V
  • Question 18
    30 seconds
    Q. What is this symbol?
    answer choices
    resistor
    switch
    battery
    bulb
  • Question 19
    30 seconds
    Q. If you decreases the resistance of a circuit, what happens?
    answer choices
    Current decreases
    Current increases
    Electrons disappear
    Bulbs get brighter
  • Question 20
    30 seconds
    Q. If you increase the voltage of a circuit, what happens?
    answer choices
    Current decreases
    Current increases
    Electrons disappear
    Bulbs get dimmer
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