Item NG035002: The heating coils on an electric stove give off energy in the form of electromagnetic radiation at all temperatures, not just when they are hot.


When do the heating coils on an electric stove give off energy in the form of electromagnetic radiation?

  1. Only when they are too hot to touch
  2. Only when they are so hot that they are glowing
  3. The coils give off energy in the form of electromagnetic radiation at all temperatures.
  4. The coils do not give off energy in the form of electromagnetic radiation at any temperature.
Distribution of Responses
Chart showing distrubtion of responses for Item NG035002
Students Responding Correctly
Group Correct Total Percent
Overall 1271 2978 43%
Grades
  6–8 711 1776 40%
  9–12 556 1195 47%
Gender
  Male606145142%
  Female643146544%
Primary Language
  English1160268743%
  Other7821337%

View data table