Applications of Hall Effect

  1. Hall Effect is used in measuring magnetic fields (The hall voltage induced in a material is proportional to magnetic field provided the current, carrier density, breadths are kept constant).

  2. It is also used in Hall Effect multipliers which provide output proportional to the product of two signals. If the current is made proportional to one of the inputs and if B is linearly related to the second signal, then induced Hall voltage is proportional to the two inputs.