Electro Magnetic Induction And Alternating Currents Question 273

Question: In a step up transformer, 220 V is converted into 200 V. The number of turns in primary coil is 600. What is the number of turns in the secondary coil [DCE 2004]

Options:

A) 60

B) 600

C) 6000

D) 100

Show Answer

Answer:

Correct Answer: C

Solution:

$ \frac{N_{s}}{N_{p}}=\frac{V_{s}}{V_{p}}\Rightarrow \frac{N_{s}}{600}=\frac{2200}{220}\Rightarrow N_{s}=6000 $



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