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Describe with a help of an activity Ohm's Law.Plot the graph between 'V' and 'I' respectively.
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Ohm's law over some operating range is referred to as an ohmic device (or an ohmic resistor) because Ohm's law and a single value for the resistance suffice to describe.
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1-The circuit diagram for the given question is shown as below:
2-Now we plot a graph between V and I.
At potential difference 0.8 V,
V/I=0.8/0.3=2.67 ohm
At potential difference 1.2 V
V/I=1.2/ 0.45=2.67 ohm
At potential difference 1.6 V
V/I=1.6/0.6=2.67 ohm
(3)Above values indicate that the resistance of the wire XY is equal to 2.67 ohm.
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