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Magnetic Force on a Moving Charge Calculator

Use this online magnetic force on a moving charge calculator with labeled inputs and a worked example. |F| = |q|vB sin θ.

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lorentz magnetic force calculator online

Use magnetic force on a moving charge calculator online with the physical quantities shown below. Magnitude only; use the cross product and charge sign for direction.

How to use it

Enter Charge magnitude (C). Set Speed (m/s), Magnetic flux density (T), Angle between velocity and field (degrees). Select Calculate, check the result units, then copy or download the JSON result.

Options and example settings

OptionChoices / valueExample default
Charge magnitude (C)Main input. Decimal or scientific notation. Zero or positive values. 0.000001
Speed (m/s)Option. Decimal or scientific notation. Zero or positive values. 1000
Magnetic flux density (T)Option. Decimal or scientific notation. Zero or positive values. 0.2
Angle between velocity and field (degrees)Option. Decimal or scientific notation. Zero or positive values. Maximum 180.90

Calculation method

|F| = |q|vB sin θ

Worked examples

Worked case for magnetic force on a moving charge calculator. Magnitude only; use the cross product and charge sign for direction.

Magnetic Force on a Moving Charge Calculator — example with explicit inputs

Settings: Speed (m/s): 1000; Magnetic flux density (T): 0.2; Angle between velocity and field (degrees): 90

Input:

0.000001

Expected result for the example input and options:

Output:

{
  "force_magnitude_N": 0.0002
}

Limitations and common mistakes

  • Magnitude only; use the cross product and charge sign for direction.
  • Match every input to its displayed unit; scientific notation such as 1e-6 is accepted.
  • This is the documented idealized model; real systems may require additional effects and measurement uncertainty.

Frequently asked questions

How can I use lorentz magnetic force calculator online?

Enter Charge magnitude (C). Set Speed (m/s), Magnetic flux density (T), Angle between velocity and field (degrees). Select Calculate, check the result units, then copy or download the JSON result.

Which model does Magnetic Force on a Moving Charge Calculator use?

|F| = |q|vB sin θ. Magnitude only; use the cross product and charge sign for direction.

Technical references

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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