Why are networks of cables not used to send information from a remote control to a television?
A. Infrared radiation cannot travel through cables.
B. Microwaves cannot travel through cables.
C. Cables slow down the speed at which information is
communicated
D. The information needs to travel only a short distance.

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.