Can an appliance of a given rating be used with a fuse of a given rating

The same question, asked 3 times: 2024*, 2025*, 2026. Every wording below, oldest first.

Try each one first, then open its answer.

Question 1
2024
32 $Explain in brief the function of an electric fuse in a domestic circuit. An electric heater of current rating 3 kW; 220 V is to be operated in an electric circuit of rating 5 A. What is likely to happen when the heater is switched ‘ON’ ? Justify your answer with necessary calculation.$
Question 2
2025
26 $An electric kettle is rated 750 W; 220 V. Can this kettle be used in a circuit which has a fuse of current rating 3 A ? Give reason for your answer.$
Question 3
2025
26 $An electric fuse is rated 8 A. Can it be used with an electrical appliance of rating 5 kW, 200 V ? Justify your answer.$
Question 4
2026
33 (A) $A fuse in electric circuit is rated 4 A. Can it be used with an electric heater of rating 2 kW, 200 V ? Explain your answer.$

Question 1