The Faraday's Law Calculator will calculate the:

1. Emf induced in a coil using the Faraday's Law

Calculation Parameters: Magnetic field and medium are considered as uniform; the conducting wire used for the coil is uniform and it has the same thickness everywhere.

 🖹 Normal View🗖 Full Page View Calculator Precision (Decimal Places)0123456789101112131415 Magnetic field (B) T Initial area of coil punched by magnetic field lines (A1) m2 Final area of coil punched by magnetic field lines (A2) m2 Initial angle formed by magnetic field lines and area vector (θ1) rad Final angle formed by magnetic field lines and area vector (θ2) rad rad Time taken to change the position of coil (Δt) s
Emf induced in the coil calculation The Emf induced in the coil is V [Volt] εi = -B × (A2 × cos⁡θ2 - A1 × cosθ1)/∆tεi = - × ( × cos() - × cos())/∆tεi = - × ( × - × )/∆tεi = - × /∆tεi = -/∆tεi = Magnetic field (B) T [Tesla] Initial area of coil punched by magnetic field lines (A1) m2 [square metre] Final area of coil punched by magnetic field lines (A2) m2 [square metre] Initial angle formed by magnetic field lines and area vector (θ1) rad [radian] Final angle formed by magnetic field lines and area vector (θ2) rad [radian] Time taken to change the position of coil (Δt) s [secomd]

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Section 14: Electrostatics

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Section 17: Electronics

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Trigonometry

## Formula and Calculation

εi = -B × A2 × cos⁡θ2 - A1 × cosθ1/∆t

This formula derives from Faraday's Law of Induction:

εi = -∆ΦM/Δt

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