In the circuit diagram, what does the symbol made of two Long lines and two short lines with a positive and a negative sign at each end represents?

A) A source of electrical energy

B) An electrical conductor

C) an electrical resistor

D) A closed switch

PLEASE ASAP. WILL GIVE BRAINLIST AND 20 POINTS

In the circuit diagram what does the symbol made of two Long lines and two short lines with a positive and a negative sign at each end represents A A source of class=