CAIE IGCSE Physics 4.5.6.4 Use of transformers in high- voltage

Practise recognising how transformers are placed in power transmission, from power stations to local supplies for houses.

Exam points

identify a step-up transformer before power lines and a step-down transformer before houses

[Maximum number: 1]

Transformers are used in the transmission of electrical power to houses.
Which type of transformer is used at the power station prior to connection to the power lines and which type is used prior to delivery to the houses?

power station

before houses

step-down

step-up

step-down

step-up

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4.5.6.4—Use of transformers in high- voltage question 1