What does the zigzag line in the circuit diagram represent?
A. a source of electrical energy
B. an electrical conductor
C. an electrical resistor
D. an open switch
![What does the zigzag line in the circuit diagram represent A a source of electrical energy B an electrical conductor C an electrical resistor D an open switch class=](https://us-static.z-dn.net/files/dee/0a3e20325688fe7c6df8c68449293e1f.jpg)