A potential difference of $4.0\,\text{V}$ causes a current of $3.0\,\text{A}$ to flow through a resistor. How much energy is transferred into thermal energy in $10\,\text{s}$?
- A$12\,\text{J}$
- B$30\,\text{J}$
- C$40\,\text{J}$
- D$120\,\text{J}$
Physics 5054 · O Level · Electromotive force and potential difference