It is a very useful exercise for pupils to investigate the power outputs of electrical appliances in and around the home. By...

Teaching Guidance 11-14

When comparing the power figures of appliances, it is important to stress the point that the figures quoted need to be...

Teaching Guidance 11-14

Drawing on the previous sections, we have seen that it's possible to develop an energy description of electric circuits at a...

Teaching Guidance 14-16