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← 1.2 D.C Circuits

Current, voltage and resistance

Electrical Technology · Grade 10 · about 40 minutes

The three DC quantities, their units, and how a complete loop in a Kenyan torch makes the lamp light.

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  • 8 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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Other lessons in this sub-strand

  1. DC circuits
  2. Current, voltage and resistance
  3. Properties of resistors
  4. Ohm's law
  5. Using Ohm's law
  6. Kirchhoff's current law
  7. Kirchhoff's voltage law
  8. Series resistor networks
  9. Parallel resistor networks
  10. Series-parallel networks
  11. Constructing resistor networks
  12. Cells in DC circuits
  13. Analysing a DC circuit
  14. Open and short circuits
  15. Tracing faults in DC circuits
  16. DC circuits in daily life