electrical power

This is an activity for understanding the concept of electrical power. It can be used after a theoretical session or while introducing the concept of power. The students should be given a set of 5 bulbs of different values of watt, voltage source, cables, an ammeter, a voltmeter and graph paper. They should be given the formula of calculation the power, P=IxV and instructed how to perform their measurements. The series of questions that follow the measurements are differentiated and can be used to assess the ability and level of understanding.

Viktoria Tsakyri