Electrical Energy II

Basic science JSS3 Second term

Sub-theme: learning about our environment


Electrical Energy II

Performance Objectives

The student should be able to:

  1. State the function of fuse and circuit breaker in a house circuit
  2. Read the electric meter for billing.


House circuit

Houses are wired in parallel because of some advantages of a parallel circuit. An example is that if one bulb in a house burns out, others will stay on. However, in a series circuit, if one bulb burns out, the other entire bulbs will go off as well.

The following are elements in a house circuit: control switch, meter box, fuse box, switches, sockets, lamps, and circuit breakers. The functions are as follows:

Control switch

This is used to put off every supply to the house when repairs or installations are been.... View More

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