Two Mississippi companies, Howard Industries and Kuhlman Electric Company, are responsible for most of the transformers and power grids produced in the United States and shipped world-wide.

What role does a transformer play in the supply of electricity over long distances?

A: Transformers decrease voltage so electrical energy can safely be transmitted over long distances through wires.
B: Transformers decrease voltage before transmitting electrical energy economically over long distances through wires.
C: Transformers increase voltage before transmitting electrical energy economically over long distances through wires.

A: Transformers decrease voltage so electrical energy can safely be transmitted over long distances through wires.