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Electricity and Electronics – ‘I Can’ Statements I Can: recall the meaning of electrical symbols and the function of each component state the meaning of the terms current (symbol I) and voltage (symbol V) state that the unit of current is the ampere or amp (symbol A) state that the unit of voltage is the volt (symbol V) draw a circuit using the correct symbols and place an ammeter in series and voltmeters in parallel with the components explain that as the resistance in a circuit increases the current flowing in the circuit decreases state that resistance (symbol R) is measured in ohms (symbol Ω) determine the resistance of resistors using the resistor colour code build a series circuit and measure the current flowing in the circuit using an ammeter build a parallel circuit and measure the current flowing at points in the circuit explain how current is distributed in series and parallel circuits build a series circuit and measure the voltage across components using a voltmeter build a parallel circuit and measure the voltage across components explain how voltage is distributed in series and parallel circuits use a multimeter and a voltmeter to measure current and voltage plot a graph of voltage against current and calculate resistance in a circuit use an ohmmeter to measure resistance of electrical components remember the formula for Ohm’s Law, V = IR state the meaning of each quantity and its units V = voltage, measured in volts(V) I = current, measured in amps(A) R = resistance, measured in ohms(Ω) use Ohm’s Law to solve problems and calculate current, voltage and resistance build an electrical circuit and use an ammeter and voltmeter to calculate resistance use an ohmmeter to verify an electrical components resistance design practical electrical circuits and measure current and voltage in the circuit using an ammeter and a voltmeter describe the change in resistance that takes place when a thermistor is warmed - Temperature Up Resistance Down and vice versa record the change in resistance of a thermistor as the temperature drops and draw a graph to describe the change in resistance that takes place when an LDR is exposed to light - Light Up Resistance Down and vice versa I can select and use electronic components as input and output devices in practical electronic circuits. draw symbols for a NOT gate, an AND gate and an OR gate NOT AND OR explain how each logic gate operates construct truth tables for each logic gate NOT AND OR I can help to engineer an electronic system to provide a practical solution to a real-life situation.