Total resistance of two or more resistors in series; R = R1 + R2 + … Total resistance of two or more resistors in parallel; 1/R = 1/R1 + 1/R2 + … Analysis of circuits with components, including both series and parallel. Analysis of circuits with more than one source of e.m.f. Source of e.m.f.; internal resistance. Terminal p.d.; 'lost volts'. The equations: = I(R+r) and = V + Ir ε ε Techniques and procedures used to determine the internal resistance of a chemical cell or other source of e.m.f. Potential divider circuit with components. You will also be expected to know about a potentiometer as a potential divider. Potential divider circuits with variable components, e.g. LDR and thermistor. Potential divider equations; Vout = R2 x Vin and V1 = R1 R1 + R2 V2 R2 Techniques and procedures used to investigate potential divider circuits may include a sensor such as a thermistor or an LDR. 4.4 Waves Progressive waves; longitudinal and transverse waves. Displacement, amplitude, wavelength, period, phase difference, frequency and speed of a wave. Techniques and procedures used to use an oscilloscope to determine frequency.
Total resistance of two or more resistors in series; R = R1 + R2 + … Total resistance of two or more resistors in parallel; 1/R = 1/R1 + 1/R2 + … Analysis of circuits with components, including both series and parallel. Analysis of circuits with more than one source of e.m.f. Source of e.m.f.; internal resistance. Terminal p.d.; 'lost volts'. The equations: ε = I(R+r) and ε = V + Ir Techniques and procedures used to determine the internal resistance of a chemical cell or other source of e.m.f. Potential divider circuit with components. You will also be expected to know about a potentiometer as a potential divider. Potential divider circuits with variable components, e.g. LDR and thermistor. Potential divider equations; Vout = R2 x Vin and V1 = R1 R1 + R2 V2 R2 Techniques and procedures used to investigate potential divider circuits may include a sensor such as a thermistor or an LDR. 4.4 Waves Progressive waves; longitudinal and transverse waves. Displacement, amplitude, wavelength, period, phase difference, frequency and speed of a wave. Techniques and procedures used to use an oscilloscope to determine frequency.
module_4_learning_checklist.docx