# Power & Electrical Energy

> This section is power and electrical energy in circuits: P=W/Δ t, the working forms P=VI, P=I^2R, P=V^2/R, energy W=Pt (and W=VIΔ t family), units watt (W) and joule (J), plus kWh as a practical…

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## Full notes

This is a preview of the Power & Electrical Energy notes for Grade 11 Physical Sciences. Create a free Hlayiso account to read the full notes, practise every question and track your progress.

## More in Electric circuits

- [Ohm's Law & Resistance in Series and Parallel](https://www.hlayiso.com/grade-11/physical-sciences/notes/electric-circuits/ohms-law-and-resistance-in-series-and-parallel) — Previous section
- [Cost of Electricity](https://www.hlayiso.com/grade-11/physical-sciences/notes/electric-circuits/cost-of-electricity) — Next section
- [All Electric circuits sections](https://www.hlayiso.com/grade-11/physical-sciences/notes/electric-circuits)

## Frequently asked questions

### What will I learn in "Power & Electrical Energy"?

This section covers Power & Electrical Energy as part of Electric circuits in Grade 11 Physical Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Power & Electrical Energy", are written against the official CAPS curriculum and ATP for Grade 11 Physical Sciences.

### What should I study after "Power & Electrical Energy"?

Continue with the next section in Electric circuits, or test your understanding with the interactive quiz linked to this section.

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