* Current is the flow of electrons: Current is the movement of electrical charges (electrons) through a circuit. It's not something that stays in one place.
* Current flows when there's a complete path: For current to flow, there needs to be a closed loop (circuit) with a power source (like a battery or outlet) and a load (like a lightbulb).
* Current stops when the circuit is broken: If the circuit is broken (like if you unplug something or turn a switch off), the current flow stops.
So, to answer your question more accurately:
* Current flows in a 220-volt circuit only when there's a connected load and the circuit is complete.
* The duration of current flow depends on how long the circuit is complete.
Here's an analogy: Imagine a water pipe. Water only flows through the pipe when the valve is open and there's pressure behind it. The water flow stops when the valve is closed.
The same is true for electrical current. The voltage (like the pressure) and the closed circuit (like the open valve) are necessary for the current (like the water flow) to occur.
