# Parallel DC Circuits Worksheet Q1

Discussion in 'General Electronics Chat' started by Legion6789, Feb 13, 2014.

1. ### Legion6789 Thread Starter New Member

Feb 8, 2014
7
0
Question 1 of this worksheet: http://www.allaboutcircuits.com/worksheets/dc_p.html

I got the answers right, but in the answer it states "You might want to mention that in electrical parlance, a "heavy" load is one that draws a large amount of current, and thus has a large resistance. This circuit, which shows how the lowest resistance in a parallel circuit consumes the most power, gives practical support to the term "heavy" used to describe loads."

The first phrase says that a heavy load draws a large amount of current and thus has a large resistance. This seems backwards as large resistances lead to less current. This fact is reinforced in the question where the 1 ohm resistor has 3 times the current of the 3 ohm resistor going through it.

The second phrase makes sense as it states that low resistances lead to greater power dissipation.

So is the "heaviness" of a load determined by the resistance, the current or the power dissipation?

Also, is the phrase "a 'heavy' load is one that draws a large amount of current, and thus has a large resistance" incorrect? Or am I misunderstanding something?

2. ### Veracohr Distinguished Member

Jan 3, 2011
676
103
'Heavy' is just a colloquialism, but it generally means a load that demands a lot of current from the source.

You're correct, that sentence is inaccurate.

Feb 8, 2014
7
0