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Which of the followings is true? Given an RC circuit: resistor-capacitor C in series. The output voltage is measured across C, an input voltage supplies power to this circuit. For the transfer function of the RC circuit with respect to input voltage: O A. Its phase response is -90 degrees. O B. Its phase response is negative. O C. Its phase response is 90 degrees. O D. Its phase response is positive.

Answers

Answer 1

In an RC circuit with a resistor-capacitor in series and the output voltage measured across C while an input voltage supplies power to this circuit, the phase response of the transfer function of the RC circuit with respect to input voltage is -90 degrees.

Hence, the correct answer is option A. A transfer function is a mathematical representation of a system that maps input signals to output signals.The transfer function of an RC circuit refers to the voltage across the capacitor with respect to the input voltage. The transfer function represents the system's response to the input signals.

The transfer function H(s) of the RC circuit with respect to input voltage V(s) is given by the equation where R is the resistance, C is the capacitance, and s is the Laplace operator. In the frequency domain, the transfer function H(jω) is obtained by substituting s = jω where j is the imaginary number and ω is the angular frequency.A phase response refers to the behavior of a system with respect to the input signal's phase angle. The phase response of the transfer function H(jω) for an RC circuit is given by the expression.

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