Question

On what factors does the heating effect of a current depend? what are the practical applications of the heating effect of electric current?

Answer 1

factors- RESISTANCE and resistance depends on length, area of crosssection, temp etc

practical appliances- geyser( water heater), irons, sandwich makers etc

Answer 2

Explanation:

• Due to flow of electric current, heat gets produced in the resistors. It is given by :

$H=I^2Rt$

I is electric current

R is resistance

t is time

• It is clear that heating effect of a current depend on the current, resistance and time.
• It is based on oven, heater, iron etc.

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Heating effect of a current

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