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Experimental steps: Press the switch and measure the current and record it. Now measure the voltage difference across resistance between two points. First take the
Experimental steps: Press the switch and measure the current and record it. Now measure the voltage difference across resistance between two points. First take the resistance across R1 by touching one prong of the voltmeter at the points S5 and the other prong at S6. You will have to be pressing the switch at the same time. Then measure the voltage across R2 and then R3. Then across R1+R2 (by using S5 and S7 as in Fig 2), then R2+R3 (by using S6 and S8), and then R1+R2+R3 (by using S5 and S8). Write the resistances and measured voltages in Table 2) Calculate the resistance between these points (by adding the resistances between them) and note the resistance and voltage in the table. Plot a graph between the Voltage on the y-axis and Resistance on the x-axis and make the best fit straight line to the data points. Calculate the slope of the line. If Ohm's Law is valid, the slope should come out to be the same as the measured value of the current. Calculate the percent difference between the calculated and measured values of the current. Note: When plotting data, make sure that the
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