Without wires, electronic signals can be carried over long distances by
a. transistors.
b. magnetic fields.
c. electromagnetic waves.
d. integrated circuits.

The correct answer for the question that is being presented above is this one: "c. electromagnetic waves." Without wires, electronic signals can be carried over long distances by electromagnetic waves. Wireless energy transfer or wireless power is the transmission of electrical energy from a power source to an electrical load without interconnecting wires.