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Class 10 Science Medium Mcq English Medium

The V-I graph for a conductor obeying Ohm's law is:

Question
The V-I graph for a conductor obeying Ohm's law is:
A curve bending upward
A straight line passing through the origin
A straight line not passing through the origin
A horizontal line
Answer
A straight line passing through the origin
Detailed Explanation
For an ohmic conductor at constant temperature, the V-I graph is a straight line through the origin, showing V is proportional to I.
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