what symbol would best represent an electric fan speed controller in an electric circuit?
what symbol would best represent an electric fan speed controller in an electric circuit?
Answer
Brief Explanations:
An electric fan speed - controller is a variable resistor. The symbol for a resistor in an electric circuit is a zig - zag line. The first symbol is a switch, the second is a light bulb, and the fourth is a battery.
Answer:
The third symbol (the zig - zag line)