If number of turns in primary and secondary coils is increased to two times each, the mutual inductance
A. becomes 4 times
B. becomes 2 times
C. becomes A times
D. remains unchanged 4
Answer:A
If number of turns in primary and secondary coils is increased to two times each, the mutual inductance
A. becomes 4 times B. becomes 2 times C. becomes A times D. remains unchanged 4