In a ring distribution system, the network is designed in such a way that it forms a closed loop or ring shape. One of the key advantages of such a distribution system is its ability to maintain the supply of electricity even when there is a fault in one section. Let's explore how this works:

1. Fault Tolerance in Ring Distribution: When a fault occurs in one section of the ring, the power supply is not interrupted. This is because the electricity can be rerouted through the alternative path, allowing other sections to continue receiving power.
2. Supply from Alternate Path: The ring distribution system allows the current to flow in two directions. In the event of a fault, circuit breakers or switches isolate the faulty section. The power then re-routes from the unaffected parts of the ring, maintaining the supply.
3. Comparison with Other Options:
   • The receiving end voltage becomes more than the sending end voltage: This option is incorrect as voltage levels are primarily influenced by transformers and not directly by the presence of a fault in the system.
   • The entire system is shut down: This is not true for ring systems, as their design purpose is to avoid shutdowns through redundancy, except for the part that is directly affected by the fault.
   • The voltage drop increases significantly: While there can be a slight impact on voltage drop, the system is generally designed to handle such variances through load balancing and alternate routing.
4. Conclusion: The best option describing what happens during a fault in a ring distribution system is that "The power can be supplied through the alternate path." This exploits the redundancy built into the ring system, making it reliable for continuous power supply.