Question

A step up transformer is used on 120 V line to provide a P.D. of 2400 V. If the number of turns in primary is 75,

then the number of turns in the secondary shall be-

• A. 25
• B. 150
• C. 1500
• D. 500

Answer 1

Answer: (C)

1500

Answer 2

$\frac{N_{S}}{N_{P}}$ = $\frac{V_{S}}{V_{P}}$ , N_S = 1500