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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity3 Marks
Question
State the factors on which the heat produced in a current conductor depends. Give one practical application of this effect.
✓

Answer

The factors are:
Length, thickness and nature of material.
  1. With increase in length of conductor, increases the amount of heat produced.
  2. With increase in thickness ,less amount of heat is produced.
  3. Good conductors produce less amount of heat while bad conductors produce more heat.
    When a current passes through a wire, the wire gets heated. This is called heating effect of current. Glowing of light bulb is an example.

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