CET Karnataka Engineering
CET - Karnataka Engineering Solved Paper-2003
question_answer
The ratio of the secondary to the primary turns in a transformer is 3 : 2 and the output power is P. Neglecting all power losses, the input power must be:
A) P/2
B) P
C) 2 P/3
D) 3 P/2
Correct Answer:
B
Solution :
When no power is lost, \[{{P}_{output}}={{P}_{input}}=P\]