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Homework Statement
Homework Equations
Rparellel=1/R1+1/R2...
IR1=R2/R1+R2 x I
The Attempt at a Solution
I am unsure of how to answer d) and e) using KVL because I count 4 junctions?
Where should I start?
No. $${1\over 12} + {1\over 10}+ {1\over 16}+ {1\over 20}+ {1\over 25} = {1\over 2.98}$$However,$$(1/12+1/10+1/16+1/20+1/25)^-1=15.18 ohms
What sort of device is R7 that its resistance changes depending on whether the switch is opened or closedHomework Statement
[ ATTACH=full]99511[/ATTACH]
Can you show this?+1
Although I prefer to make the voltages around the loop sum to zero.
Hi Sammy this is from our varsity study guide. The author is most likely the lecturer who doesn't respond to me hence why I must ask these questions on here.
Although I prefer to make the voltages around the loop sum to zero.
With reference to the equivalent circuit below... KVL says that going around a loop the voltages sum to zero.Can you show this?
Thank you for the nice clear explanation CWattersWith reference to the equivalent circuit below... KVL says that going around a loop the voltages sum to zero.
View attachment 99596
If I arbitrarily choose to start at the -ve terminal of the battery and go around clockwise we have to prove that..
+120 + (-V1) + (-V2) + (-V3) + (-V4) = 0
V1 = 1.2 * 4.07 = 4.884V
V2 = 1.2 * 60 = 72V
V3 = 1.2 * 11.11 = 13.332V
V4 = 1.2 * 24.82 = 29.784V
Substitute..
+120 - 4.884 - 72 -13.332 - 29.784 = 0