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Multiple Choice

One coulomb per second equals which electrical unit?

The main idea is that current is the rate at which electric charge flows. One coulomb per second is exactly the rate at which charge moves, which defines the unit for current—the ampere (amp). So 1 C/s equals 1 A. The other units describe different electrical quantities: volt measures potential difference (the push that moves charge), ohm measures resistance (how much a component resists the flow), and watt measures power (the rate of doing work or consuming energy).

The main idea is that current is the rate at which electric charge flows. One coulomb per second is exactly the rate at which charge moves, which defines the unit for current—the ampere (amp). So 1 C/s equals 1 A.

The other units describe different electrical quantities: volt measures potential difference (the push that moves charge), ohm measures resistance (how much a component resists the flow), and watt measures power (the rate of doing work or consuming energy).