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T5D01:What formula is used to calculate current in a circuit?

T5D01T5D

What formula is used to calculate current in a circuit?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T5D01 is I = E / R.

The key fact is I = E / R. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in T5D

T5D02What formula is used to calculate voltage in a circuit?T5D03What formula is used to calculate resistance in a circuit?T5D04What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?T5D05What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?T5D06What is the resistance of a circuit that draws 4 amperes from a 12-volt source?T5D07What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?