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

Isla Ball

2 October, 04:45

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

+1

Answers (1)

Know the Answer?

Kaliyah Duffy · 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