Electrical resistance is a property of an electrical energy to be converted into

Assessment: WAEC SSCE - Physics - 2001 (Objective) Subject: Physics

Question 1 Report

Electrical resistance is a property of an electrical energy to be converted into
Answer Details
Electrical resistance is a property of a material to oppose the flow of electrical current through it. When electrical current flows through a conductor, some of the electrical energy is converted into other forms of energy. One of the forms of energy that can be generated is heat energy, which is the result of collisions between the electrons and the atoms in the material. This is known as Joule heating, and the amount of heat generated is proportional to the resistance of the material and the square of the current flowing through it. Therefore, when electrical energy flows through a material with resistance, some of the energy is converted into heat energy due to the resistance of the material.

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