Unit 1 Particle explanations of density and pressure Unit 2 Measuring waves Unit 3 Electric fields and circuit calculations Unit 6 Energy of moving particles Unit 7 Circuit components
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تبصرے
10 تبصرے
I can describe how an LDR or a thermistor can be used in a sensing circuit.
I can calculate p.d. across one of two components in a series circuit with a battery.
I can take readings from I–V graphs and use these to describe the changing resistance of a component.
I can interpret an I–V graph of a diode in order to describe its properties.
I can explain why the resistance of a metal filament changes as the p.d. across it increases.
I can find the resistance of a filament lamp by measuring the current and p.d. for a suitable range of p.d.
I can make calculations using the equation Q = m × L
I can use the particle model to describe the effect of heating to melt a solid or to boil a liquid.
I can measure the specific heat capacity of water and of a metal sample.
I can make calculations using the equation ΔE = mcΔΘ.