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This week I will be discussing induction cooktops Research and


This week I will be discussing induction cooktops

  • Research and discuss an induction cooktop circuit and its requirements for cookware material.There are a couple requirements needs for a cooktop circuit to work properly, you will need a grounded 240-volt  circuit protected with 40-50 amp breakers that terminate in an approved  junction box mounted near the cooktop. It could be either mounted on  the back of a cabinet or behind the wall just needs to be near it for  troubleshooting purposes, but far enough away so that the connections  inside the box are not exposed to heat.
  • Research and discuss the difference between inductive and resistive cooktops. A  resistive cooktop has a coil or resistance wire, usually nichrome. When  you pass a current through it the wire heats up, the heat heats the  pot, which heats the contents.
    An  inductive cooktop has an inductor, a coil of low resistance wire.  Current passes through it creating an electromagnetic field. The EM  field induces an eddy current in the pan which cause the pan to heat up.  Essentially the cooktop coil is the transformer primary winding, the  metal pot is a short-circuited single turn secondary winding. The heat  from the pan heats the content. Note that the pot must be made of a  magnetic material, usually iron or steel.
    1) Why does an induction cooktop only heat specific types of cookware?

Induction cooking works by creating a magnetic field between  the pot and the magnetic coils beneath the cooking surface. The energy  created in the electromagnetic field heats the contents of the pot. 

      2) What properties of induction are being used to heat cookware on an induction coil?

Induction cooking uses magnetism to create heat. Induction units use a  series of electrical components and a large, thin coil of copper wire  to create magnetic resistance in induction ready cookware. This  resistance creates heat in the base of the cookware, as opposed to the  surface of the cooker itself, which then heats the food

3) How efficient are induction cooktops when compared to electric coil cooktops and why?

The main difference between the two types of cooktops is that each  uses electricity differently and that there are different unique pros  and cons for each type. An induction cooktop, for instance, is very  energy and cost-efficient, while an electric cooktop is generally much  cheaper than an induction cooktop. Which type you should choose depends  on which type is more compatible with your needs and preferences.

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