The heating effect of electric current in an appliance can be calculated using the formula:
Power (P) = Voltage (V) × Current (I)
where Power (P) is the heating effect of the electric current, Voltage (V) is the known voltage of the source, and Current (I) is the flow of electric charge through the appliance. This formula is known as Ohm's Law and it relates the heating effect of electric current to the voltage and current in a circuit. By knowing the voltage and measuring the current flow through the appliance, we can calculate the heating effect of electric current.
It's important to note that the heating effect of electric current is related to the resistance of the material that the current is flowing through. The higher the resistance of the material, the more heat will be generated. This is why it's important to use materials with low resistance, such as copper, for electrical wiring in appliances and other electrical systems