GCSE AQA Physics Atomic Structure Trilogy

Cards (210)

  • What is the circuit symbol for an ammeter?
    Ammeter
  • What is the circuit symbol for a battery?
    Battery
  • What is the circuit symbol for a cell?
    Cell
  • What is the circuit symbol for a diode?
    Diode
  • What is the circuit symbol for a fuse?
    Fuse
  • What is the circuit symbol for a lamp (bulb)?
    Lamp (Bulb)
  • What is the circuit symbol for an LDR?
    LDR
  • What does LDR stand for?
    Light Dependent Resistor
  • What is the circuit symbol for an LED?
    LED
  • What is the circuit symbol for a resistor?
    Resistor
  • What is the circuit symbol for a closed switch?
    Switch (closed)
  • What is the circuit symbol for an open switch?
    Switch (open)
  • What is the circuit symbol for a thermistor?
    Thermistor
  • What is the circuit symbol for a variable resistor?
    Variable Resistor
  • What is the circuit symbol for a voltmeter?
    Voltmeter
  • For electrical charge to flow through a closed circuit the circuit must include a source of _________ __________
    Potential Difference
  • Electric current is a flow of electrical ______
    Charge
  • The size of an electric _______ is the rate of flow of electrical charge
    current
  • Charge flow, current and time are linked by the equation

    charge flow = current x time
  • Unit of charge flow, Q
    coulombs, C
  • Unit of current, I
    amps, A
  • Unit of time, t
    seconds, s
  • Current has the same value at any point in a ______ circuit
    series
  • The current (I) through a component depends on both the __________ of the component and the potential difference (V) across the component
    Resistance (R)
  • For a given potential difference (voltage), the greater the resistance of the component the smaller the _______
    current
  • Current, potential difference or resistance can be calculated using the equation
    potential difference = current x resistance
  • Unit of potential difference, V
    volts, V
  • Unit of resistance, R
    ohms, Ω
  • The current through an ohmic conductor (at constant temperature) is ________ ____________ to the potential difference across the resistor.
    directly proportional
  • The resistance of components such as lamps, diodes, thermistors and LDRs is not constant; it changes with the _______ through the component
    current
  • The resistance of a filament lamp increases as the ___________ of the filament increases
    temperature
  • The current through a diode flows in ___ _________ only
    one direction
  • The _____ has a very high resistance in the reverse direction
    diode
  • The resistance of a __________ decreases as the temperature increases
    thermistor
  • The resistance of an LDR decreases as _____ _________ increases
    light intensity
  • An ___ can be used to switch lights on when it gets dark
    LDR
  • A __________ can be used to switch heaters on when it gets cold
    thermistor
  • There are two ways of joining electrical components, in series and in ________
    parallel
  • For components connected in series there is the same _______ through each component
    current
  • For components connected in series the total potential difference of the power supply is ______ between the components
    shared