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9. ten to the power of minus nineteen
10. one ohm of resistance is equal to volt divided by ampere
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9. A single electron has a charge of 1.60217733 × 10-19 Coulombs. A collection of 6.2415 × 1018 electrons has a charge of one Coulomb (1/1.60217733x10-19). 1.6 into 10 raise to power -19 no of electrons are present in one coulomb of charge.
10. When a current of 1 ampere passes through 1 ohm, 1 volt is dropped in the resistance. In other words, when 1 volt is applied across a resistance of 1 ohm, 1 ampere current will flow through the resistance.
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