PhysicsMagnetic Effects of Electric Current

Domestic Circuit Safety

Choose appliances and check whether the fuse blows.

Total appliance power2000 W

Fuse rating5 A

Supply voltage220 V

Circuit current

9.09A

Status

Fuse blows!

Current vs fuse9.09

Household circuit loadCircuit current: 9.09 A

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The fuse is placed in the live wire; earthing protects from shocks by giving leakage current a low-resistance path.

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