Explain the function of fuse in a domestic electric circuit ? An elecdric oven having power rating 2000 W, 220 V is used in an electric circuit, having a fuse of 5A rating. What is likely to happen when the oven is switched on? Explain.

Explain the function of fuse in a domestic electric circuit ? An elecd

1.	Explain the function of fuse in a domestic electric circuit ? An elecdric oven having power rating 2000 W, 220 V is used in an electric circuit, having a fuse of 5A rating. What is likely to happen when the oven is switched on? Explain.
Answer» Solution : It prevents the electric circuits and appliances from POSSIBLE damage by stopping the flow of unduly high electric CURRENT. Here, P = 200 W, v = 220 V Using P = VI ` I= (p)/(V) = (220)/(220) = 9.09 ` A. Since the current flowing through the oven is larger than the fuse rating (5A) , the fuse wire meltsand breaks the CIRCUIT, thus protecting the circuit.