VerniceEngram343 VerniceEngram343

11-03-2014
Physics

Answered

An engineer in India (standard household voltage = 220 volts) is designing a transformer for use on her
upcoming trip to Canada (standard household voltage = 120 volts). If her input coil has 240 turns, how many
turns should her output coil have?

Answer :

11-03-2014

he should a step-up transformer with k=220/120=1.83 so output coil must have 240*1.83=440 turns

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