V=IR equation practice

Here's some practice

questions from text book

9) 1.22 V
10) 7.77
11) 3.54

Parallel

Here a photo of my parallel curcuit. 

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 - 

Some Equations

power = voltage*current

voltage = energy/charge

current = charge/time

Voltage experiment (Question 1)

1)

V0 = 5.59 

Predicted (V1) = 470/10470 X 5.59 = 0.2509

Predicted (V2) = 10000/10470 X 5.59 = 5.3390

V1 = 0.25 V

V2 = 5.34 V

R1 = 470 Ω

R2 = 10 k Ω

Voltage experiment

 Here is the experiment we are doing this lesson

 

Questions

1)60 Watts / 230 Volts = 0.26 Amps

2) Will finish next lesson (5 ish hours)

Power

Power = Voltage x Current

Here's a simple way of explaining

The Questions On Voltage

Here are the questions

Questions On Voltage

1) what are the voltage         (All to 3SF)
A)       
V1 - 0.82  9/11
V2 - 8.18  90/11

B)
V1 - 4.55  50/11
V2 - 5.45  60/11

C)
V1 - 2.22  20/9
V2 - 3.33  10/3
V3 - 4.44  4011