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Jouer Froggy Jumps
    • 1. FLOW OF ELECTRONS IN ONE DIRECTION
    A
    DIRECT CURRENT
    B
    INTENSITY
    C
    ALTERNATING CURRENT
    2. FLOW OF ELECTRONS
    A
    CURRENT
    B
    VOLTAGE
    C
    DIRECT CURRENT
    3. DEVICE WHICH CONVERTS ELECTRICITY INTO MECHANICAL ENERGY
    A
    DYNAMO
    B
    MOTOR
    C
    RECEPTOR
    4. CONVERTS MOTION INTO ELECTRICITY
    A
    DYNAMO
    B
    MOTOR
    C
    RECEPTOR
    5. TO GENERATE THE FORCE, A MOTOR INTERACTS WITH
    A
    MAGNETIC FIELDS
    B
    ELECTROMAGNETS
    C
    ELECTRIC CONDUCTORS
    6. IN AN ELECTROMAGNET, THE MAGNETIC FIELD IS PRODUCED BY
    A
    THE FLOW OF CURRENT
    B
    THE ENERGY OF MAGNETIC FIELD
    C
    THE SWITCH
    7. AN ELECTRICALLY OPERATED SWITCH IS ...
    A
    PUSH BUTTON
    B
    TWO WAY SWITCH
    C
    RELAY
    8. A two-terminal passive electronic component which implements electrical resistance
    A
    RESISTOR
    B
    RELAY
    C
    TRANSISTOR
    9. A three-terminal resistor with a sliding contact
    A
    RESISTOR
    B
    POTENTIOMETER
    C
    TRANSISTOR
    10. Resistor whose resistance varies with temperature
    A
    THERMISTOR
    B
    PHOTORESISTOR
    C
    LDR
    11. TWO TYPES OF THERMISTOR
    A
    NTC AND RTD
    B
    NTC AND PTC
    C
    RTD AND NTC
    12. LIGHT DEPENDENT RESISTOR
    A
    POTENTIOMETER
    B
    THERMISTOR
    C
    PHOTORESISTOR
    13. A device for storing electric charge.
    A
    TRANSISTOR
    B
    CAPACITOR
    C
    PHOTORESISTOR
    14. Electronic component that permits electric current in only one direction
    A
    DIODE
    B
    TRANSISTOR
    C
    CONDENSER
    15. A TYPE OF DIODE WHICH EMITS LIGHT
    A
    PTC
    B
    LDR
    C
    LED
    16. A semiconductor device used to amplify and switch electronic signals
    A
    TRANSISTOR
    B
    DIODE
    C
    PHOTORESISTOR
    17.
    A
    LDR
    B
    LED
    C
    NTC
    18.
    A
    VARIABLE RESISTOR
    B
    RESISTOR
    C
    FUSE
    19.
    A
    RESISTOR
    B
    FUSE
    C
    CONDENSER
    20.
    A
    RESISTOR
    B
    CONDENSER
    C
    TRANSISTOR
    21.
    A
    TRANSISTOR
    B
    RELAY
    C
    THERMISTOR
    22.
    A
    TRANSISTOR
    B
    POTENTIOMETER
    C
    PUSH BUTTON
    23.
    A
    TRANSISTOR
    B
    RESISTOR
    C
    DIODE
    24.
    A
    TRANSISTOR
    B
    THERMISTOR
    C
    PHOTORESISTOR
    25.
    A
    RESISTOR
    B
    DIODE
    C
    THERMISTOR
    26.
    A
    THERMISTOR
    B
    TRANSISTOR
    C
    CAPACITOR
    27.
    A
    RELAY
    B
    TWO WAY SWITCH
    C
    TRANSISTOR
    28.
    A
    CAPACITOR
    B
    TRANSISTOR
    C
    RELAY
    29.
    A
    POTENTIOMETER
    B
    RESISTOR
    C
    PHOTORESISTOR
    30.
    A
    THERMISTOR NTC
    B
    THERMISTOR PTC
    C
    LDR
    31.
    A
    THERMISTOR NTC
    B
    THERMISTOR PTC
    C
    PHOTORESISTOR
    32.
    A
    FUSE
    B
    RESISTOR
    C
    VARIABLE RESISTOR
    33.
    A
    LDR
    B
    PTC
    C
    LED
    34.
    A
    LED
    B
    DIODE
    C
    TRANSISTOR
    35.
    A
    DIODE
    B
    LED
    C
    LDR
    36.
    A
    BATTERY
    B
    DIODE
    C
    CONDENSER
    37. WHEN SWITCH ON ...
    A
    CONTACTS WILL CHANGE
    B
    LIGHT WILL SWITCH OFF
    C
    THE RELAY WILL STOP
    38. WHEN SWITCH ON ...
    A
    THE LED WILL LIGHT
    B
    THE LED WILL NOT LIGHT
    C
    THERE IS NO LED IN THE CIRCUIT
    39. IF TEMPERATURE RAISES ...
    A
    RESISTANCE RAISES
    B
    RESISTANCE INCREASES
    C
    RESISTANCE DECREASES
    40. WHEN SWITCH ON
    A
    THE CAPACITOR WILL BE CHARGED
    B
    THE BULB WILL STOP LIGHTING
    C
    THE CIRCUIT WILL NOT WORK
    41. ELEMENTS IN THIS CIRCUIT
    A
    BATTERY, SWITCH, BULB AND POTENTIOMETER
    B
    SWITCH, BULB, BATTERY AND LDR
    C
    BATTERY, BULB, SWITCH AND TRANSISTOR
    42. WHEN SWITCH ON ...
    A
    THE LED WILL LIGHT
    B
    THE LED WILL NOT LIGHT
    C
    THE TRANSISTOR WILL WORK
    43. ELECTRONIC COMPONENT WHOSE RESISTANCE INCREASES WITH INCIDENT LIGHT
    A
    LED
    B
    PHOTORESISTOR
    C
    NONE