switches should you open?
A. Switch S5
B. Switch S2
C. Switch S3
D. Switch S4
2007-11-29 06:08:20 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Engineering
i cant c the circuit sir
2007-11-29 06:13:43 · answer #1 · answered by Anonymous · 1⤊ 0⤋
Have a look at device 3 and trace the wiring back until you come to a switch that, when open, will stop the flow of current to device 3. then check if any other switches are feeding it. These must also be open.
2007-11-29 06:16:27 · answer #2 · answered by Michael B 6 · 0⤊ 0⤋
Errr, Ummm, Duhhh, Dwayne... where's the circuit schematic?
2007-11-29 06:15:02 · answer #3 · answered by Anonymous · 0⤊ 0⤋
https://my.pennfoster.com/exams/images/00709600Q18.gif THIS IS THE CIRCUIT SHEMATIC
2014-04-14 03:35:12 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Pennfoster answer is switch S5. Just did my test :-)
2015-02-28 03:02:03 · answer #5 · answered by Sicina 1 · 5⤊ 0⤋