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Good news, i worked out the Amps and the Voltage drop across the resistors and it was simple to be honest, i was making few mistakes but now I'm fine :)
Stuck again how do i find voltage across R3 ?
2k * 6V = 12V <---- This i impossible as i have measured the voltage using multimeter and it gives me 2V ?
I wish i had the ability to attend to electronics class so the teacher could explain me these easy methods.
To calculate U1 the voltage drop on resistor R1 do we do as follows:
Get the R123456 resistance which is 2.5k and then R123456 - R1 = 1.5k
4mA * 1.5k = 6V ??? The 4mA is the current I1...
I think i am going to loose all my hair by 0:00 :)
To get the voltage drop across resistor R1 i do I * R so 4mA * 1k = 4V but when i do it in circuit wizard it shows 6V, so how is that ?
Do i need to subtract the answer 4V from the total supply voltage 10V for the first resistor ?
Thank you very much i understand this now, but one last question on one website it said that "Two components are connected in series if they are connected to each other at exactly one point and no other component is connected to that point." so according to this information we divide the circuit...
(look circuit on post #1)
First i add up R5 + R6 = R56 = 2k
Then i calculate the parallel resistance of R456 = (2k * 2k)/(2k + 2k) = 1k
And this is where i get confused i need to calculate the overall resistance of this circuit to calculate I1 but i don't know if i do as follows
R4 + R3 = 4k...
This is what i am able to do but with the circuit i have give on the photo i just don't know which resistors are connected in series and which in parallel, giving me this information would help a lot.
Hi i got this as a test from my teacher over the holiday and by using Circuit Wizard it show i1 = 4mA a i want to know exactly what i have to do to get the correct answer 4mA.
And lets say the battery has unlimited current, that's what my teacher said think that it's being power by a power supply.
Hi i have been stuck on this circuit for a long time and it seems impossible how current labelled I4 on the circuit below is 4mA.
Maybe somebody is kind enough to explain this to me, i have searched 5 books and none of them do an example on more than 4 resistors connected in this way.
The...
Hi i am about to build a tilt sensor for my school project but i am new to Accelerometers and Dot/Bar display drivers. So below i have attached a schematics i have made but i am not sure if the connection between the LM3914 and ADXL103 are correct and the other thing is the potentiometer, i want...
Hi I want to make a simple circuit with ADXL103 but I have no idea what the pin 3, labelled COM is for ? I have searched the internet but I seem to get results with credit card pin number tutorials :???: so excuse if its a simple way around this, but I seem to be unable to find the answer ?
Do...
One question do you want to build a psu for your own experience ? Or do you need one to start with electronics ?
If you need one to start with electronics i recommend buying a cheap one for about £30 and doing some modifications to it (It's a cheap Chinese PXN-1503D)
Also i have another thread...
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