Use the concept of equivalent resistance. Apply knowledge of series circuits to real world applications. Students should be able to explain the design and use of d.c. series circuits for measurement and testing purposes. 6.2.2 Properties of For components connected 1 that the potential difference Investigate how the current in parallel circuits in parallel: across each component in a each loop of a parallel circuit including giving parallel circuit is the same. compares to the current in the potential difference the upper limit of the main branch of the circuit. across each component Describe how the currents in resistance when is the same different parts of a parallel circuit Investigate the effect of resistors are change and give the reasons for adding two resistors in series added in parallel. the current through this change. in a simple circuit, then the whole circuit is the adding the same resistors in sum of the currents Describe the effect on the parallel in the same circuit. through the separate resistance of adding resistors in components parallel. Find the resistance of three resistors in parallel by the resistance of two State that adding resistors in experimental methods. resistors is less than the parallel will make the total resistance of the smallest resistance less than the lowest individual resistor. value resistor. Describe the differences between series and parallel circuits in terms of current and potential difference.
Use the concept of equivalent resistance. Apply knowledge of series circuits to real world applications. Students should be able to explain the design and use of d.c. series circuits for measurement and testing purposes. 6.2.2 Properties of parallel circuits including giving the upper limit of resistance when resistors are added in parallel. For components connected in parallel: the potential difference across each component is the same the current through the whole circuit is the sum of the currents through the separate components the resistance of two resistors is less than the resistance of the smallest individual resistor. 1 that the potential difference across each component in a parallel circuit is the same. Describe how the currents in different parts of a parallel circuit change and give the reasons for this change. Describe the effect on the resistance of adding resistors in parallel. State that adding resistors in parallel will make the total resistance less than the lowest value resistor. Describe the differences between series and parallel circuits in terms of current and potential difference. Investigate how the current in each loop of a parallel circuit compares to the current in the main branch of the circuit. Investigate the effect of adding two resistors in series in a simple circuit, then adding the same resistors in parallel in the same circuit. Find the resistance of three resistors in parallel by experimental methods.
AQA-8464F-SOW-ELEC.DOCX