Esperiment 2: DC Parallel circuits and AC Series circuits 2-1: DC Parallel Circu

Question

Esperiment 2: DC Parallel circuits and AC Series circuits 2-1: DC Parallel Circuits Preliminary Observations: Set up the circuit shown below: use 1 voltmeter, 3 ammeters, 3 resistance boxes and a DC power supply AM ( Set Vs 7.00 V, Ri-R2-R3 200 C2; calculate the expected current I.--(show calculations) 23A Observed current I 226A Percent difference 3 05721.-22. Data 2 3-3+22. Set Ri = 200 . 2 Record: the currents I, h, h for the R-values in the table. Calculate and record: (12+13). 13/12, and Ro/Rs. Compare the values in the last 2 columns. Are they equal? es | 22.6 | \.b | 11.3 |0 | 229 | 097| 1 815 2e 7. s.1.22. 2.31 2.3 122,6| 4:1 | 18-I | 1.0 | 22-13. g | 4 200 25016722.6 43 . 22. | 125 10001 2.3 20. 1.0 2.8 . 1 500

Explanation / Answer

Hi

In accordance with chegg policy i am answering the first question kindly ask others as separate questions.

1) In the parallel circuit the voltage remains the same and current might vary in response to the different value of resistance used. As can be seen from the recorded values when the resistance used is same in both R2 and R3 the value of current is same but as they vary the current as well vary.

Also one more intresting observation is that in all cases the last two coloumns are equal which shows that

I3/I2=R2/R3

Which can be written as

R3×I3=R2×I2

And as we know I×R=V

ThereforeV3=V2.... hence proved.

2) in all the observed values of I1, I1=22.6 mili ampere

And the theoretical value of I1=23.3 mili ampere

So %error=3%.

Thank you

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