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Faraday's Law and Induced E.M.F.

Faraday's Law and Induced E.M.F.

Product Details:


Product Specifications

  • Lab Equipment

Product Description


An induced e.m.f. (or induced current) isproduced across a conductor when it is exposed to a change in a magnetic field.The mathematical law that relates the changing magnetic field to the inducedcurrent (or the induced voltage) is called Faraday's Law. Lenz’s law describesthe magnetic flux through the circuit and gives the direction of the inducede.m.f. This gives rise to induced current which opposes the change in magneticflux. In the present setup, a permanent magnet falls with different velocitiesthrough a coil, the change in the magnetic flux generates an induced voltageimpulse. The induced voltage impulse is recorded with voltage probe through acomputer interface system. Depending on the polarity of the permanent magnetthe induced voltage impulse is negative or positive.


  • Verification of Faraday and Lenzs law ofinduction by measuring the induced voltage as function of time.
  • Measurement of the induced voltage impulse asa function of the velocity of the magnet.
  • Calculation of the magnetic flux induced bythe falling magnet as a function of the velocity of the magnet.


  • Multipurpose data logger.
  • Easy setup with advanced software features.
  • Microcontroller based digital timer.


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