A "step-down" transformer is used to reduce the voltage from 11060 V to 240 V before it is connected to houses in a neighborhood. If the transformer has 50 turns on the secondary, how many turns does it have on the primary

Question

Physics

Maritza

23 July, 19:53

A "step-down" transformer is used to reduce the voltage from 11060 V to 240 V before it is connected to houses in a neighborhood. If the transformer has 50 turns on the secondary, how many turns does it have on the primary

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Answers (1)

Know the Answer?

Micah Sheppard · Answer 1

N₁ = 2304 turns

Explanation:

The ratio of a transformer is

ΔV₁ / N₁ = ΔV₂ / N₂

Let's use index 1 for primary and index 2 for secondary

N₁ = ΔV₁ / ΔV₂ N₂

Let's calculate

N1 = 11060/240 50

N1 = 2304 turns