Power is generated at the powerstation, gets sent through cables to our house, through wires into my microwave. My microwave has a fault so the current goes down the earth wire into the ground but then where? Where is the ground connected backup to this circuit to complete the link and allow the current to flow??
In: Physics
Effectively, the circuit your appliance is completed by the power station and the planet. When an appliance shorts to ground, its internal circuit is bypassed by the fault, so the current is not routed through its circuits as designed.
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