Answer:
Option C
Explanation:
The symbol a. Represents a "Switcher". Clearly, a switcher does not behaves electrically speaking like a lamp.
The symbol b. Represents a "Lamp". Clearly, a fan is not a lamp.
The option c. Represents a resistance. A fan can be considered a resistance, given that it lowers the voltage levels when connected to a circuit.
The option d. Represents a "DC voltage source" clearly, a fan is not a voltage source.
