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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,
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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?

User Iain Ward
by
8.6k points

1 Answer

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

User Jeffrey Aguilera
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8.3k points
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