Qstnid -23- A Power Transmission Line Feeds Input Power At 2300 V To A Stepdown Transformer With Its Primary Windings Having 4000 Turns. What Should Be The Number Of Turns In The Secondary In Order To Get Output Power At 230 V? - 07: Alternating Current - Neet-xii-physics

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NEET-XII-Physics

07: Alternating Current

page 4

Qstn# 23 Prvs-Qstn Next-Qstn

#23
A power transmission line feeds input power at 2300 V to a stepdown transformer with its primary windings having 4000 turns. What should be the number of turns in the secondary in order to get output power at 230 V?

Ans : Input voltage, V₁ = 2300

Number of turns in primary coil, n₁ = 4000

Output voltage, V₂ = 230 V

Number of turns in secondary coil = n₂

Voltage is related to the number of turns as:

Hence, there are 400 turns in the second winding.