The five different colored graphs below represent different possible relationships between voltage across resistor and current through the resistor.
Which of the graphs shows the correct relationship for a resistor that obeys Ohm's law?

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Solution

The correct option is C blue
According to obey's law : $V = I R$
$⟹$ $V \propto I$ $(∵ R = c o n s t a n t)$
Thus V- I graph is a straight line having a finite slope and passing through origin as represented by blue colour.
Hence option C is correct.

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Similar questions

Q. The five different colored graphs above represent different possible relationship between voltage across a resistor and current through the resistor.
Which of the graphs shows the correct relationship for a resistor that obeys Ohm's law?

What is an ohmic resistor ? Give one example of an ohmic resistor. Draw a graph to show its current-voltage relationship. How is the resistance of the resistor determined from this graph?

What are non-ohmic resistors ? Give one example and draw a graph to show its current voltage relationship.

Q. The values of current (I) flowing through a given resistor of resistance (R), for the corresponding values of potential difference (V) across the resistor are given below :

\begin{matrix} V (volts) & 0.5 & 1.0 & 1.5 & 2.0 & 2.5 & 3.0 & 4.0 & 5.0 I (amperes) & 0.1 & 0.2 & 0.3 & 0.4 & 0.5 & 0.6 & 0.8 & 1.0 \end{matrix}

Plot a graph between current (I) and potential difference (V) and determine the resistance (R) of the resistor.

The values of current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below −

I (amperes )	0.5	1.0	2.0	3.0	4.0
V (volts)	1.6	3.4	6.7	10.2	13.2

Plot a graph between V and I and calculate the resistance of that resistor.

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The five different colored graphs below represent different possible relationships between voltage across resistor and current through the resistor.Which of the graphs shows the correct relationship for a resistor that obeys Ohm's law?

The correct option is C blueAccording to obey's law : V=IR⟹ V∝I (∵R=constant)Thus V- I graph is a straight line having a finite slope and passing through origin as represented by blue colour.Hence option C is correct.

The five different colored graphs below represent different possible relationships between voltage across resistor and current through the resistor.
Which of the graphs shows the correct relationship for a resistor that obeys Ohm's law?

The correct option is C blue
According to obey's law : $V = I R$
$⟹$ $V \propto I$ $(∵ R = c o n s t a n t)$
Thus V- I graph is a straight line having a finite slope and passing through origin as represented by blue colour.
Hence option C is correct.