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  2. Infinite switch - Wikipedia

    en.wikipedia.org/wiki/Infinite_switch

    Energy regulator of an electric stove with a glass-ceramic hob. 1: Electric contacts (here closed); 2: Bimetal; 3: Heater for Bimetal. An infinite switch, simmerstat, energy regulator or infinite controller is a type of switch that allows variable power output of a heating element of an electric stove. It is called "infinite" because its ...

  3. Three utilities problem - Wikipedia

    en.wikipedia.org/wiki/Three_utilities_problem

    There is even enough additional freedom on the torus to solve a version of the puzzle with four houses and four utilities. [ 21 ] [ 5 ] Similarly, if the three utilities puzzle is presented on a sheet of a transparent material, it may be solved after twisting and gluing the sheet to form a Möbius strip .

  4. Cooktop - Wikipedia

    en.wikipedia.org/wiki/Cooktop

    An electric plate cooktop. A cooktop (American English), stovetop (Canadian and American English) or hob (British English), is a device commonly used for cooking that is commonly found in kitchens and used to apply heat to the base of pans or pots. Cooktops are often found integrated with an oven into a kitchen stove but may also be standalone ...

  5. Induction cooking - Wikipedia

    en.wikipedia.org/wiki/Induction_cooking

    For comparable (large) cooking elements the following efficiencies were measured with ±0.5% repeatability: 70.7% - 73.6% for induction, 71.9% for electric coil, 43.9% for gas. DOE affirmed that "induction units have an average efficiency of 72.2%, not significantly higher than the 69.9% efficiency of smooth—electric resistance units, or the ...

  6. Electric stove - Wikipedia

    en.wikipedia.org/wiki/Electric_stove

    An electric stove uses electricity to provide heat. An electric stove , electric cooker or electric range is a stove with an integrated electrical heating device to cook and bake . Electric stoves became popular as replacements for solid-fuel (wood or coal) stoves which required more labor to operate and maintain.

  7. How to Solve It - Wikipedia

    en.wikipedia.org/wiki/How_to_Solve_It

    Solve an equation [14] Also suggested: Look for a pattern [15] Draw a picture [16] Solve a simpler problem [17] Use a model [18] Work backward [19] Use a formula [20] Be creative [21] Applying these rules to devise a plan takes your own skill and judgement. [22] Pólya lays a big emphasis on the teachers' behavior.