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

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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

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