Read the following statements regarding a constant-k low pass filter.(i) The cut-off frequency of the filter is \({f_c} = \frac{1}{{2\pi \sqrt {LC} }}\)(ii) The cut-off frequency of the filter is \({f_c} = \frac{1}{{\pi \sqrt {LC} }}\)(iii) The phase shift is stopband is π.(iv) The phase shift in passband is 2π.Which of the above statements are correct?Choose the correct answer from the code given below:Code:

• A. (i) and (iii)
• B. (i) and (iv)
• C. (ii) and (iii)
• D. (ii) and (iv)