The table shows information for four different electrical devices. Which device produces the greatest power?
- Acar headlight: $12\,\text{V}$, $3.0\,\text{A}$
- Bcooling fan: $110\,\text{V}$, $0.40\,\text{A}$
- Celectric spark generator: $400\,\text{kV}$, $0.10\,\text{mA}$
- Dmains lamp: $240\,\text{V}$, $0.20\,\text{A}$