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प्रश्न
What is the origin of frictional forces?
एका वाक्यात उत्तर
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उत्तर
The origin of frictional forces is electrical in nature.
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Types of Circuits: Simple Circuit
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संबंधित प्रश्न
Name the physical quantity of which the unit is coulomb
Name the physical quantitiy of which the unit is ampere
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
How many electrons are present in one coulomb?
What is the SI unit of charge?
What is the purpose of an electroscope?
Write SI unit of
Resistance.
What is the SI unit of current?
What is the function of a switch in an electric circuit?
Name two sources of current.
