In a phase discriminator fc, is the IF to which primary circuit is tuned. Consider the following statements: The primary and secondary voltages are exactly 90 out of phase when input frequency is fcmore than 90 out of phase when input frequency is higher than fcless than 90 out of phase when input frequency is lower than fc Which of the above statements is correct?

In a phase discriminator fc, is the IF to which primary circuit is tun

1.	In a phase discriminator fc, is the IF to which primary circuit is tuned. Consider the following statements: The primary and secondary voltages are exactly 90 out of phase when input frequency is fcmore than 90 out of phase when input frequency is higher than fcless than 90 out of phase when input frequency is lower than fc Which of the above statements is correct?
A.	1 only
B.	1 and 2
C.	1, 2 and 3
D.	2 and 3
Answer» B. 1 and 2