constant temperature (an Know Ohm’s law as a special Questions can be set where either I I ohmic conductor). case where is proportional to or V is on the horizontal axis of V under constant conditions the characteristic graph Understand what is meant by an ohmic conductor I–V 6 characteristics Describe and explain the 3.5.1.2 Current–voltage 13.5 behaviour of a metal wire, a characteristics for a for these components. filament bulb and a semiconductor diode and filament semiconductor diode lamp Questions can be set where either I or V is on the horizontal axis of the characteristic graph I–V 7 Producing Use ammeters and voltmeters 3.5.1.2 Current–voltage PS 2.2 Present data in appropriate 13.5 characteristics (digital and analogue) to collect characteristic for a semiconductor ways I–V data to plot characteristics diode Students carry out their PS 3.1 Plot and interpret graphs planned experiment, collect ATf Correctly construct circuits I–V data and plot graphs for a semiconductor diode and a filament lamp. 8 Combining resistors Measure the total resistance of 3.5.1.4 Resistors: MS 2.2, 2.3 Change the subject of 13.6 a combination of resistors that an equation and substitute Students use multimeters (as in series, include series and parallel numerical values using resistance meters and/or in parallel, arrangements appropriate units voltmeters and ammeters) to measure the resistance of Calculate the total resistance of PS 4.1 Know and understand how various combinations of a combination of resistors that to use a wide range of resistors, and use the include series and parallel experimental and practical equations for combinations arrangements instruments, equipment and of resistors to solve circuit techniques problems. ATb Use appropriate digital instruments 9 Power and resistance Apply the power equations to 3.5.1.4 Power equations: MS 0.1 Recognise and make use 13.7 the solution of circuit problems of appropriate units in calculations
constant temperature (an ohmic conductor). Know Ohm’s law as a special case where I is proportional to V under constant conditions Understand what is meant by an ohmic conductor Questions can be set where either I or V is on the horizontal axis of the characteristic graph 6 I–V characteristics for these components. Describe and explain the behaviour of a metal wire, a filament bulb and a semiconductor diode 3.5.1.2 Current–voltage characteristics for a semiconductor diode and filament lamp Questions can be set where either I or V is on the horizontal axis of the characteristic graph 13.5 7 Producing I–V characteristics Students carry out their planned experiment, collect data and plot I–V graphs for a semiconductor diode and a filament lamp. Use ammeters and voltmeters (digital and analogue) to collect data to plot I–V characteristics 3.5.1.2 Current–voltage characteristic for a semiconductor diode PS 2.2 Present data in appropriate ways PS 3.1 Plot and interpret graphs ATf Correctly construct circuits 13.5 8 Combining resistors Students use multimeters (as resistance meters and/or voltmeters and ammeters) to measure the resistance of various combinations of resistors, and use the equations for combinations of resistors to solve circuit problems. Measure the total resistance of a combination of resistors that include series and parallel arrangements Calculate the total resistance of a combination of resistors that include series and parallel arrangements 3.5.1.4 Resistors: in series, in parallel, MS 2.2, 2.3 Change the subject of an equation and substitute numerical values using appropriate units PS 4.1 Know and understand how to use a wide range of experimental and practical instruments, equipment and techniques ATb Use appropriate digital instruments 13.6 9 Power and resistance Apply the power equations to the solution of circuit problems 3.5.1.4 Power equations: MS 0.1 Recognise and make use of appropriate units in calculations 13.7
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