The frequency response of a dynamic element shows a constant magnitude ratio at all frequencies. The element exhibits a negative phase shift at all frequencies. The absolute value of the phase shift increases linearly with frequency. The element has the transfer function

• A. e
• B. ^{- <i>_s</i>}
• C. <img src="/_files/images/chemical-engineering/process-control/383-608-1.png">
• D. <img src="/_files/images/chemical-engineering/process-control/383-608-2.png">
• E. <img src="/_files/images/chemical-engineering/process-control/383-608-3.png">