Difference between revisions of "3-ELE-06"
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==[[Specifications|Specification]] References== | ==[[Specifications|Specification]] References== | ||
2.4 know some of the different ways in which electrical heating is used in a variety of domestic contexts | 2.4 know some of the different ways in which electrical heating is used in a variety of domestic contexts | ||
| + | |||
2.5 understand that a current in a resistor results in the electrical transfer of energy and an increase in temperature | 2.5 understand that a current in a resistor results in the electrical transfer of energy and an increase in temperature | ||
| − | 2.6 recall and use the relationship, power = current x voltage | + | |
| + | 2.6 recall and use the relationship, power = current x voltage, P=IV and apply the relationship to the selection of appropriate fuses | ||
| + | |||
| + | 2.7 use the relationship between energy transferred, current, voltage and time: energy transferred = current x voltage x time, E = ItV | ||
| + | |||
| + | 2.8 recall that mains electricity is alternating | ||
==Starter== | ==Starter== | ||
Revision as of 06:13, 8 January 2008
Click "edit" and then copy-and-paste the text below into your new lesson plan.
Contents
Outcomes
- Pupils can
- Use of P = IV, higher currents leads to hotter wires
- Ammeter in series, voltmeter in parallel
Specification References
2.4 know some of the different ways in which electrical heating is used in a variety of domestic contexts
2.5 understand that a current in a resistor results in the electrical transfer of energy and an increase in temperature
2.6 recall and use the relationship, power = current x voltage, P=IV and apply the relationship to the selection of appropriate fuses
2.7 use the relationship between energy transferred, current, voltage and time: energy transferred = current x voltage x time, E = ItV
2.8 recall that mains electricity is alternating
