In an unloaded transformer, the flux limiting the primary is 10 mWb and secondary is 30 mWb. The coefficient of coupling is ____________
A. 1
B. 0.1
C. 0.33
D. 0.67
Answer:C
In an unloaded transformer, the flux limiting the primary is 10 mWb and secondary is 30 mWb. The coefficient of coupling is ____________
A. 1 B. 0.1 C. 0.33 D. 0.67