NCEA Level 1 Science

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DC Electricity

About the Achievement Standard

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Panasonic Oxyride batteries


Direct current electricity is the one way flow of electric charges. It can be produced by sources like batteries. The current may flow through a conductor such as a wire, semiconductors such as insulators, or even through a vacuum. The electric charge flow in a constant direction, distinguishing it from alternating current (AC).


  1. Voltage
  2. Current
  3. Resistance
  4. Power in DC circuits
  5. Circuit diagrams
  6. Voltage and current behaviour in circuits

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