When electric signals travel across copper wires, they create an electrical field that can be detected outside of the wires. Using the right equipment, this field can be intercepted and interpreted the act of intercepting this electric field is known as:

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.