is an agency of the national government that regulates the telecommunications industry in the United States including licensing and operation of all radio and television stations?

Federal communications commission ( FCC) .

Explanation: Federal communications commission( FCC) is a United States of American agency that was set up on June 19,1984. This agency was formed with the main aim of using radio, television, satellite and cable to promote safety of life and property through out the country. They also regulates the telecommunications industry in the United States including licensing and operation of all radio and television stations.

current and voltage can both be different in different parts of a circuit so it matters where you place the ammeter and voltmete

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: