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Answered

A transformer has 200 turns in the primary coil and 600 turns in the secondary coil. Which of the following statements is correct?

A. This is a step-up transformer
B. This is a step-down transformer
C. It increases voltage and power
D. It increases the power and keeps voltage constant

Sagot :

MIHAUWUIN

Answer: c

Explanation:

Correct option is

C

12 V

N1/V1=N2/V2

Where N1= no of turns in primary winding =200

N2= number of turns in secondary winding=10

V1= primary side voltage =240

V2 = secondary side voltage.

V2=V1N2/N1

=240×10/200

=12V

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