Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
The heating effect of electric current is a phenomenon where electrical energy is transformed into heat as it passes through a conductor. Joule's Law provides a mathematical framework for understanding the relationship between heat generation, current, resistance, and time. Practical applications of this effect are evident in devices such as electric heaters and light bulbs, along with considerations for energy efficiency and safety precautions.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Sections
References
ee11-5.pdfClass Notes
Memorization
What we have learnt
- The heating effect of elect...
- Joule's Law illustrates the...
- There are various applicati...
Final Test
Revision Tests
What we have learnt
- The heating effect of electric current transforms electrical energy into heat energy.
- Joule's Law illustrates the factors that influence heat generation in conductors.
- There are various applications of the heating effect, including heaters, fuses, and electric cooking devices.
Key Concepts
-
Term: Heating Effect of Electric Current
Definition: The process where electrical energy is converted into heat energy when electric current flows through a conductor.
-
Term: Joule's Law
Definition: A principle stating that the heat produced in a conductor is directly proportional to the square of the current, resistance of the conductor, and the time for which the current flows.
-
Term: Power Dissipation
Definition: The rate at which electrical energy is converted into heat in a resistor, calculated using the formula P = I^2 R.
-
Term: Energy Loss
Definition: The loss of electrical energy as heat in wires due to resistance, particularly significant in power transmission.
-
Term: Safety Measures
Definition: Systems such as fuses and circuit breakers designed to prevent overheating and fire hazards in electrical circuits.