Question Detail
Question
The primary coil of a transformer is supplied with 45 V. What is the ratio of the number of turns in the coils (primary : secondary) if the potential difference in the secondary coil is 450 V?
Correct Answer
Option D is the correct answer.
Detailed Explanation
Np/Ns=Vp/Vs=45/450=1/10.
Hint
Np/Ns=Vp/Vs=45/450=1/10.