FAQs Physics: Practical Electricity

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# Why must the fuse/switch/circuit breaker be connected to the live wire?

# What is the potential hazard when the switch of an electrical appliance is connected to the neutral wire instead of the live wire?

# How does a fuse work?

# Suggest why an electrical appliance with a 2-pin plug is still safe to use.

# Explain why the fuse and switch are connected to the live wire.