Select the correct answer:
 
Rina switched on her electric stove to boil water. The coil became red hot and the water started heating. She also noticed a fuse in the circuit that protects appliances.
 
1. Why does the coil of the stove become hot?
 
2What is the function of the fuse in the circuit?
 
3. Which household appliances work on the same principle as the stove?