What does the load of the power supply mean? Why is it wrong to increase the terminal voltage of the power supply when the power supply load increases?

Load refers to the electrical appliances connected at both ends of the power supply to consume electric energy.

With the increase of load, the output power and current increase.

You can also think of it this way: the external circuit and the electrical appliance are connected in parallel, and

When the resistance decreases, the terminal voltage of the circuit remains unchanged (because of this problem, we generally don't consider the internal resistance of the power supply), so the current increases, and you can regard the electrical appliances in the same branch as a load.

I thought the same thing.

Pure hand tour, hope to adopt.