1.

In a transformer, the number of turns in primary coil and secondary coil are 5 and 4 respectively. If 240 V is applied on the primary coil, then the ratio of current in primary and secondary coil is             [AFMC 1998; CPMT 2000; Pb. PET 2002]

A. 4 : 5
B. 5 : 4
C. 5 : 9
D. 9 : 5
Answer» B. 5 : 4


Discussion

No Comment Found

Related MCQs