Easyphysics

 P1: GCSE Science - EDEXCEL
You're in charge
Glossary

Did you know? 

The earth pin in a plug has a longer arm than the other two. When inserted into a socket it opens an internal guard that prevent little fingers going exploring!

 

     

 P1 Fuse

Syllabus Summary Questions Answers


     1.  Which safety features of an electric kettle are needed to protect you from getting an

          electric shock?

     2.  Why is the hairdryer safe to use without the earth wire?

     3.  Explain how a fuse protects an appliance and the person using it.

     4. Higher tier only:

         Fill in the gap in the following sentence:

         A residual curent circuit breaker detects any differences between the          in the live and

         neutral wires.

     5.  Choose the correct fuse for each appliance. The available fuses are: 3A, 5A and 13A.
.

 Appliance Current through appliance (A)  Fuse rating (A)
 Kettle 10A  
 Fridge 9A  
 Toaster 4A  
 Hairdryer 1.5A