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For ohmic resistors, the ratio of voltage to current is constant.
The battery was connected to the resistor then the wire extended to the DMM. At the DMM, the wire from the anode was connected to the DMM and then the other one from the cathode was also connected to the DMM. After the resistance was varied and a set of values for voltage (V) and current (I).
The two equations from section 1-2 and 1-3 suggest that R=V/I. This may have been because the DMM was faulty. The voltage for all the resistors in section 2-4 was 7.9V because they were all in ...Show more

Summary

The main reasons why the experiment was carried was to know how to measure current using ammeter, understand how to get total resistance in parallel and series. Also find out the relationship between voltage, current and resistance and finally know what an ohmic resistor is…
Author : josianne37
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