Physics 5054 · O Level · Electrical quantities

Electrical quantities — practice question

An immersion heater has the marking $24\,\text{V}$, $120\,\text{W}$. What current flows through the heater when it is attached to a $24\,\text{V}$ supply?

  • A$0.20\,\text{A}$
  • B$5.0\,\text{A}$
  • C$24\,\text{A}$
  • D$120\,\text{A}$

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