Physics Syllabus (Adapted from Singapore Examinations and Assessment Board)

The physics tuition will be conducted in accordance to the Physics Syllabus. 

 

19.  Practical  Electricity

 

Content

•      Electric power and energy

 

•      Dangers of electricity

 

•      Safe use of electricity in the home

 

Learning  Outcomes

 

Candidates should be able to:

 

(a)   describe the use of the heating effect of electricity in appliances such as electric kettles, ovens and heaters

 

(b)   recall and apply the relationships P = V I and E = V I t to new situations or to solve related problems

 

(c)   calculate the cost of using electrical appliances where the energy unit is the kW h

 

(d)   compare the use of non-renewable and renewable energy sources such as fossil fuels, nuclear energy, solar energy, wind energy and hydroelectric generation to generate electricity in terms of energy conversion efficiency, cost per kW h produced and environmental impact

 

(e)   state the hazards of using electricity in the following situations: (i)       damaged insulation

(ii) overheating of cables

(iii)  damp conditions

 

(f)    explain the use of fuses and circuit breakers in electrical circuits and of fuse ratings

 

(g)   explain the need for earthing metal cases and for double insulation

 

(h)   state the meaning of the terms live, neutral and earth

 

(i)    describe the wiring in a mains plug

 

(j)    explain why switches, fuses, and circuit breakers are wired into the live conductor

 

 

Physics Tuition Singapore

SG PHYSICS

Wynn Education Centre Pte Ltd

Email: admin@wynnedu.com
Tel: +65 8135 6556

www.sgphysics.com

© 2014 by SG Physics

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