Easyphysics

 P1: GCSE Science - EDEXCEL
Producing and Measuring Electricity
Glossary

Did you know? 

The wind-up radio uses the elastic potential energy stored in a wound spring. This energy is converted to kinetic (movement) energy, which can be used to turn a dynamo and generate electricity.

 

      

 P1 Induced voltage

Syllabus Summary Questions Answers

       

   1. A dynamo produces electricity when its magnet rotates next to the coil of wire. 

                          

   2. The voltage induced in a dynamo can be increased by:   

       a) using a stronger magnet.

       b) rotating the magnet faster.

       c) increasing the number of turns on the coil of wire.