Showing posts with label Questions. Show all posts
Showing posts with label Questions. Show all posts

Friday, 4 October 2013

Questions from book

pg 54

9) 1.22 V
10) 3.050 V
11) 3.54 V
12) 22.5 V
13) 41.612 V
16) R1 - 180 Ω
      R2 - 180 Ω
17) R1 - 40 Ω
       R2 - 60 Ω
19) 24.05 Ω
20) 80 V

Wednesday, 18 September 2013

Questions for today

1) 
R1 - 270 Ω
R2 - 470 Ω
R3 - 1k Ω
V0 - 6.05 V
V1 - 0.15 V 
V2 - 0.26 V
V3 - 5.63 V

To work out current...
V/R = I
6.05 / 1,740Ω = 0.00347701149...

To work out power...
VI = P
0.003... X 6.05 = 0.02103591954

2)
I1 - 
I2 - 0.6 mA
I3 -