2023 WAEC Basic Electricity Practical Questions & Answers

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2023 WAEC Basic Electricity Practical Questions and Answers

(Basic Electricity Paper 3)

2023 WAEC Basic Electricity Practical Answers: Get WAEC 2023 basic Electricity Practical Questions and answers for Paper 3 (Practical).

We have the 2023 WAEC Basic Electricity Practical Questions and Answers, so count yourself lucky to be here on our website, where we provide real and verified answers.

WAEC 2023 Basic Electricity Practical Questions

1ai. What is an Open circuit voltage?

1aii. What is Closed circuit voltage?

1bi. List the types of electrical faults you know

1c. Mention the types of electrical wiring you know.

3. List and explain four roles in creating a visually appealing environment

WAEC 2023 Basic Electricity Practical Answers

Answer Number 1

(1ai) Open circuit voltage: Open circuit voltage refers to the voltage present in a circuit when there is no load or external resistance connected to it. In this state, the circuit is not complete, and current does not flow. The open circuit voltage represents the maximum voltage that the source can provide.

(1aii) Closed circuit voltage: Closed circuit voltage, also known as loaded voltage, is the voltage measured in a circuit when it is connected to a load or external resistance. In this state, the circuit is complete, and current flows through the load. The closed circuit voltage is usually lower than the open circuit voltage due to the internal resistance of the source and voltage drops across components.

(I) Faulty brushes:
(II) Armature faults
(III) Weak field winding:
(IV) High internal resistance:

(V) Mechanical losses:
(VI) Loose or damaged components:
(VII) Airflow restrictions:

(VIII)improper installation.


(i) PVC (Polyvinyl Chloride) conduit
(ii) Metal conduit
(iii) Surface-mounted cable trunking
(iv) Cable clips
(v) Cable channels or raceways.

Answer Number 2

(i) Thorough Cleaning and disinfection.
(ii) Temperature regulation
(iii) Bedding preparation.
(iv) Feeder and water setup.
(v) Inspection of the ventilation system.
(vi) Setting up the brooder equipment.

(i) Chicks may spread their wings away from their body to promote heat dissipation.
(ii) Chicks will open their beaks wide and breathe.
(iii) They may become more active, constantly moving around.
(iv) They may become less interested in feeding.

(i) Chicks will tend to huddle together to conserve heat.
(ii) Chicks may exhibit increased vocalization or chirping.
(iii) Chicks may become less active.
(iv) Chicks will fluff up their feathers to trap air.

(i) The chicks will be active and alert.
(ii) They will show a normal feeding and drinking behavior.
(iii) Chicks will assume a relaxed and comfortable body posture.
(iv) Chicks will display regular and balanced respiration

(i) Coal burning releases various harmful pollutants.
(ii) Specimen E can cause accidental fires.
(iii) Specimen E require regular maintenance, such as ash disposal, and cleaning.
(iv) They may not provide uniform heat distribution.
(v) The use of specimen E in a poultry house contributes to green house emissions.

(i) They are often used for brooding chicks or other young animals.
(ii) They are used to extend the daylight period.
(iii) They can be used to control the photoperiod.
(iv) They are used as a supplemental light source in livestock production facilities.

Answer Number 3


1.) Enhanced aesthetics:

Lighting plays a vital role in creating a visually appealing environment. By effectively highlighting architectural features, artwork, and decor elements, a well-designed lighting scheme can elevate the overall aesthetics of a space, making it more inviting and visually pleasing.

2.) Improved functionality:

Proper lighting design takes into account the specific activities and functions within a space. By providing adequate illumination where it is needed, it enhances functionality and usability. For example, task lighting in work areas ensures better visibility, reducing eye strain and improving productivity.

3.) Mood and ambiance creation:

Lighting has a significant impact on the mood and ambiance of a space. By using different lighting techniques, such as dimmers, color temperature adjustments, and dynamic lighting systems, a well-designed lighting scheme can create various atmospheres, ranging from warm and cozy to vibrant and energetic, depending on the desired effect.

4.) Energy efficiency:

A thoughtfully designed lighting scheme incorporates energy-efficient lighting fixtures, such as LEDs (light-emitting diodes), which consume less power and have a longer lifespan compared to traditional lighting sources. This not only reduces energy consumption but also lowers maintenance costs and contributes to sustainability efforts.



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