How is electrical energy related to work done in physics?

• A. Electrical energy cannot be converted to work
• B. Electrical energy can be converted into other forms of energy performing work
• C. Electrical energy is equal to the total amount of work done
• D. Work done is independent of electrical energy

Answer: (B)

Electrical energy is fundamentally related to work done in physics because it can be transformed into other forms of energy, thereby performing work. This conversion is essential in various applications, such as electric motors or appliances, where electrical energy is converted into mechanical energy or heat as it performs work.

When an electric current flows through a component, the electrical energy is used to move charges, overcome resistance, or create motion in a motor, resulting in a tangible outcome—this is classified as work. The principle demonstrates the interconversion of energy types as defined by the law of conservation of energy, which states that energy cannot be created or destroyed but can only change forms.

In contrast, the other options present misconceptions. The notion that electrical energy cannot be converted to work is inaccurate, as electrical systems are designed specifically to convert energy into work efficiently. Stating that electrical energy is equal to the total amount of work done overlooks the fact that energy may also be lost in forms such as heat due to inefficiencies. Lastly, the claim that work done is independent of electrical energy does not acknowledge the critical role electrical energy plays in enabling work through its conversion to other energy forms.