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Electronics G9

Quiz by Simon Han Chuong Khuu

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15 questions
Show answers
  • Q1
    What does an LED stand for in the context of electronic circuits?
    Luminous Electrical Device
    Large Energy Detector
    Low Efficiency Device
    Light Emitting Diode
    30s
  • Q2
    What is the function of a resistor in an electronic circuit?
    To convert AC to DC
    To store charge
    To limit the flow of current
    To amplify signals
    30s
  • Q3
    What is the purpose of a breadboard in electronics prototyping?
    To regulate voltage
    To store large amounts of data
    To convert analog signals to digital signals
    To create temporary circuits for testing and experimentation
    30s
  • Q4
    What happens to the brightness of each light bulb in a parallel circuit if one of the bulbs goes out?
    The other bulbs become dimmer
    The other bulbs remain lit
    The other bulbs become brighter
    All bulbs go out
    30s
  • Q5
    What remains constant/same across all components in a parallel circuit?
    Current
    Resistance
    Power
    Voltage
    30s
  • Q6
    What happens to the brightness of a light bulb in a parallel circuit if more bulbs are added to the circuit?
    The brightness of the bulb remains the same
    The brightness of the bulb fluctuates
    The brightness of the bulb increases
    The brightness of the bulb decreases
    30s
  • Q7
    In a series circuit, what happens to the current when more resistors are added?
    The total current decreases
    The total current increases
    The total current fluctuates
    The total current remains the same
    30s
  • Q8
    What is the total voltage across a series circuit with 3 resistors, if each resistor has a voltage value of 2V?
    4V
    8V
    2V
    6V
    30s
  • Q9
    What remains the same through all components in a series circuit?
    Current
    Capacitance
    Voltage
    Resistance
    30s
  • Q10
    How does the brightness of bulbs in a series circuit change when more bulbs are added?
    The brightness increases
    The brightness decreases
    The brightness remains the same
    The brightness flickers
    30s
  • Q11
    In a series circuit with a constant/same voltage supply, what happens to the current when you double the resistance?
    The current doubles
    The current remains the same
    The current is halved
    The current quadruples
    30s
  • Q12
    Using Ohm's Law (V=IR), what happens to the voltage across each resistor in a series circuit if the number of resistors is doubled?
    The voltage across each resistor remains the same
    The voltage across each resistor quadruples
    The voltage across each resistor is halved
    The voltage across each resistor is doubled
    30s
  • Q13
    Used to open and close a circuit
    diodes
    switch
    wires
    resistors
    30s
  • Q14
    How many paths for current does a series circuit have?
    none
    three
    one
    two
    30s
  • Q15
    Parallel Circuits
    A material that stops heat and electric current from flowing
    A circuit that contains more than one path for current flow.
    A pathway that prevents electric current from flowing freely or stops the flow - light is off!
    A circuit that contains one path for current flow.
    30s

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