# Electric Power in an AC Circuit Calculator

The Electric Power in an AC Circuit Calculator will calculate the:

1. Electric power in an AC circuit when the maximum current and driving frequency are known

Calculator Settings: The conducting wire of circuit is uniform and it has the same thickness everywhere; the source supplies AC current

 🖹 Normal View🗖 Full Page View Calculator Precision (Decimal Places)0123456789101112131415 Maximum current in the circuit (imax) A Driving frequency of the circuit (fd) Hz Resistance of the resistor (R) Ω Archimedes constant (π) Initial phase (φ) rad Time instant (t) s
Power of circuit as a function of time The power of circuit as a function of time is W [Watt] P(t) = i2max × R × sin2(2 × π × fd × t + φ)P(t) = 2 × × sin2(2 × × × + )P(t) = × × sin2()P(t) = × × P(t) = Maximum current in the circuit (imax) A [Ampere] Driving frequency of the circuit (fd) Hz [Hertz] Resistance of the resistor (R) Ω [Ohm] Archimedes constant (π) Initial phase (φ) rad [radian] Time instant (t) s [second]

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each electric power in a ac circuit calculation, the Electric Power In A Ac Circuit Calculator will automatically calculate the results and update the Physics formula elements with each element of the electric power in a ac circuit calculation. You can then email or print this electric power in a ac circuit calculation as required for later use.

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Section 15: Electrodynamics

Section 16: Magnetism

Section 17: Electronics

Section 22: Cosmology

## Power of circuit as a function of time Formula and Calculation

P(t) = i2max × R × sin2(2 × π × fd × t+φ)

This formula derives from:

P(t) = i2max × R × sin2(ω × t+φ)

## Magnetism Physics Tutorials associated with the Electric Power In A Ac Circuit Calculator

The following Physics tutorials are provided within the Magnetism section of our Free Physics Tutorials. Each Magnetism tutorial includes detailed Magnetism formula and example of how to calculate and resolve specific Magnetism questions and problems. At the end of each Magnetism tutorial you will find Magnetism revision questions with a hidden answer that reveals when clicked. This allows you to learn about Magnetism and test your knowledge of Physics by answering the test questions on Magnetism.

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