What is the formula for ampere?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
The formula for ampere is I = /t, where current (I) euals charge () divided by time (t). Alternatively, using Ohm's Law: I = V/R, where current euals voltage divided by resistance. Another useful formula is I = P/V, where current euals power divided by voltage. These formulas allow you to calculate current when you know other electrical uantities. For example, if a device consumes 1200 watts at 120 volts, the current would be 10 amperes (1200W ÷ 120V = 10A).
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