Lenz's law

Related BrainMass Solutions

• Lenz's Law for direction of induced current in a loop of wire

  You will have to refer to Lenz's Law in order to determine the direction of the induced current.

• Electromagnetic Induction

  Lenz's law : While the magnitude of the induced emf is given by Faraday's law, the polarity of the induced emf is given by Lenz's law.

• emf induced in secondary

  Since it says that the current "reaches 6 A in 0.03 seconds", it means the magnetic flux in the first coil is increasing and therefore, the current in the secondary coil has to be in the opposite direction to reduce this increasement (Lenz's law).

• Faraday's Law of Induction: induced current

  The expert examines Faraday's law of induction for induced current.

• Electromagnetic Induction: Flux, EMF and Mutual Inductance

  (e) Lenz's law: The emf induced in an electric circuit always acts in such a direction that the current it drives around a closed circuit produces a magnetic field which opposes the change in magnetic flux which produces the emf.

• Toroidal Solenoid

  Hence, e = 5.3x10-3x3/3x10-3 = 5.3 Volts C) As per Lenz's law, direction of the induced emf is such as to oppose the cause of the change in the flux.

• Parallel and Series Circuits

  Lenz's Law An induced electromotive force generates a current that induces a counter magnetic field that opposes the magnetic field generating the current.

• Electric Circuit

  d) As current I through L is increasing, the polarity of emf induced across L has to be such that it tends to oppose the increase in current (Lenz's law).

• Magnetism: Current flowing through a resistor, surface charge distribution, constant speed of the bar

  The current is caused by inductance Lenz's law.