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What physical quantity does electric current represent? Signature: SOP Smartphone

The full name of electric current is current intensity, which is the amount of electricity passing through the cross-section of a conductor per unit time. You can think of it like a water pipe. A large amount of water means a large amount of electricity, which means a large current. Or according to the definition: per unit time. Calculating, the greater the current, the greater the electricity; in addition, the voltage is equal to the current times the resistance, so for the same conductor, the greater the current, the greater the voltage