Which is an electromagnetic device? a.)a computer b.) a loudspeaker c.)a television d.)a wireless radio

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.

Which change would make the diagram correct?

The path of a satellite orbiting the earth causes it to pass directly over two tracking stations a and b, which are 51 miles apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87 degrees and 84 degrees, respectively. (a) how far is the satellite from station a? (b) how high is the satellite above the ground?