CBT-Practice

WAEC Applied Electricity or Basic Electricity · Section 1

Transformers

Section A (For all candidates)

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Syllabus content and objectives

Official WAEC Applied Electricity or Basic Electricity outline · Section A (For all candidates)

Content

Transformer construction, Types, Principles of operation, Losses, Efficiency and Cooling

Objective

Construction and types based on shell/core and current/voltage functions. Operation, transformation ratio, copper and iron losses, temperature rise effects. Qualitative treatment of efficiency, need for cooling, and methods of cooling.

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