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Class 10 Science Medium Mcq English Medium

Insulators like rubber and glass have resistivity of the order of:

Question
Insulators like rubber and glass have resistivity of the order of:
10^-8 ohm-metre
10^-2 ohm-metre
10^2 ohm-metre
10^12 to 10^17 ohm-metre
Answer
10^12 to 10^17 ohm-metre
Detailed Explanation
Insulators have extremely high resistivity, in the range of 10^12 to 10^17 ohm-metre.
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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