You are given resistance wire of length 50 cm and a battery of negligible resistance. In which of the following cases is largest amount of heat generated?

• A. When the wire is connected to the battery directly
• B. When the wire is divided into two parts and both the parts are connected to the battery in parallel.
• C. When the wire is divided into four parts and all the four parts are connected to the battery in parallel.
• D. When only half of the wire is connected to the battery.