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Contents & notes: what this topic covers
Under Electrical Energy and Power, the JAMB Physics syllabus expects you to study:
- 32. Electrical Energy and Power
- (i) concepts of electrical energy and power;
- (ii) commercial unit of electric energy and
- power;
- (iii) electric power transmission
- (v) heating effects of electric current;
- (vi) electrical wiring of houses;
- (vii) use of fuses.
Study notes & guidance
Study Electrical Energy and Power using a recommended Physics textbook that follows the JAMB syllabus. Work through the contents listed above one by one, make brief notes in your own words, and then practise as many questions on this topic as you can — in Physics, understanding and steady practice matter far more than memorising. Use the objectives below as a checklist: if you can do each one confidently, you have mastered this topic.
Objectives — candidates should be able to
After studying Electrical Energy and Power, you should be able to:
- Apply the expressions of electrical energy and power to solve problems;
- Analyse how power is transmitted from the power station to the consumer;
- Identify the heating effects of current and its uses;
- Identify the advantages of parallel arrangement over series;
- Determine the fuse rating.
These objectives are from the official JAMB syllabus. Use them as a checklist — if you can do each one confidently, you have mastered this topic.
Source: official JAMB UTME Physics syllabus (IBASS, jamb.gov.ng). Reproduced for study use. Last checked: 17 Sept 2026. Always confirm the current syllabus on the official portal.