Unless the speaker is very engaging and active with their listeners, it is very easy for the listener to get distracted. Our minds race at 1,000 thoughts per second and when listening to lengthy talks or speeches, it is very easy for us to wonder away mentally. Physically is is also very easy, as the listener can get distracted from the environment, speakers attire, etc.
Answer: A battery or an emf device creates an electric force field that moves electrons through a circuit. The emf device has two terminals, a positive terminal called anode and negative terminal called cathode.
