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Class 10 Science Medium Mcq English Medium

Both resistance and resistivity of a material generally vary with:

Question
Both resistance and resistivity of a material generally vary with:
Its color
Temperature
Its shape only
The current flowing through it
Answer
Temperature
Detailed Explanation
Resistance and resistivity of most materials change as temperature changes.
What is the SI unit of electric current? Science · Electricity Electric current is defined as the rate of flow of: Science · Electricity The direction of conventional electric current in a circuit is taken as the direction of flow of: Science · Electricity One coulomb of charge is equivalent to the charge of nearly: Science · Electricity

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