Recent content by ethan12

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    Undergrad How Does a Hairdryer Use Less Current Despite High Home Voltage?

    Hi, The UK., electricity supply is 13 amps at 230 volts. With such a current and e.m.f., how can we run appliances which don't need that e.g., a hairdryer with a 3 amp fuse. What stops the full 13 amps overwhelming the appliance? My question is not well put but I'm sure you know what I'm...