Briefly state the effects of electricity.
Answers
Explanation:
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Answer:
When a current flows through a conductor, heat energy generates in the conductor. The heating effects of electric current depend on three factors:
The resistance of the conductor. A higher resistance produces more heat.
The time for which the current flows. The longer the time the amount of heat production is high.
Higher the current the amount of heat generation is also large.
Hence the heating effect produced by an electric current, I through a conductor of resistance, R for a time, t is given by H = I2Rt. This equation is the Joule’s equation of electrical heating.
The sum of electric currents entering a junction is equal to the sum of the currents leaving the junction. Kirchhoff’s First Law is a natural consequence of the conservation of electric charge. If the currents entering a junction are positive, and the currents leaving the junction negative, the sum of the currents is zero.
Explanation:
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