alleryStart learning →Electric current is defined as which of these?
AThe rate at which charge flows
BThe rate at which voltage rises
CThe force that resists charge flow
DThe energy stored in a charge
Answer & Solution
Correct answer: A. The rate at which charge flows
1. Current measures how much charge crosses a given area in a given time.
2. In symbols that is I = delta Q / delta t, so current is the rate at which charge flows.
3. Voltage, not current, is the quantity that drives the flow, so a rising voltage is a different idea.
4. Resistance is the property that impedes flow, and stored energy is a separate quantity again.
_Source: OpenStax College Physics (CC BY 4.0), Ch 20 "Electric Current, Resistance, and Ohm's Law", section 20.1 Current_
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