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Subjects

Science

Heating effect of current

विद्युत धारा का ऊष्मीय प्रभाव

In Class 10 Science, this topic explains how electrical energy changes into heat when current passes through a conductor. Students learn Joule’s law of heating, the factors that affect heat produced—current, resistance and time—and how to apply the relationship in numerical problems. The lesson connects the heating effect of current with practical devices such as electric irons, heaters, incandescent bulbs and fuses, while building understanding of safety and energy use within the Electricity chapter.

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