What is the difference between power short circuit and electrical short circuit Short circuit why have cent power source short circuit and use electric appliance short circuit! What is the difference between them after all?

What is the difference between power short circuit and electrical short circuit Short circuit why have cent power source short circuit and use electric appliance short circuit! What is the difference between them after all?

Power short circuit refers to AC / DC short circuit, electrical short circuit refers to AC short circuit

There is no electric appliance in the circuit and a voltmeter is added to measure whether the power supply voltage will be short circuited

The ammeter will be short circuited

Why the short circuit of power supply voltage, ammeter and voltmeter have no indication
Specific reasons. Urgent!

If your ammeter is connected in series with the power supply, the voltmeter is connected in parallel with the power supply
Then, when the power supply is short circuited, the voltmeter is also short circuited, and there is no indication. After the power supply is short circuited, the voltage at both ends is 0. There is no external power supply. Of course, the ammeter has no indication
Besides, the power supply is burned out, where can it work