Input and output impedance with feedback for voltage series feedback having A = -200, R1 = 10 kΩ, R0 = 50 kΩ and feedback factor β = -0.2 will be-A-410 kΩ, 2050 kΩB-410 kΩ, 1.219 kΩC-≈ 0.243 kΩ, 2050 kΩD-≈ 0.24 kΩ, 1.219 kΩ-B-410 kΩ, 1.219 kΩ

Question

Input and output impedance with feedback for voltage series feedback having A = -200, R1 = 10 k&Omega;, R0 = 50 k&Omega; and feedback factor &beta; = -0.2 will be-A-410 k&Omega;, 2050 k&Omega;B-410 k&Omega;, 1.219 k&Omega;C-&asymp; 0.243 k&Omega;, 2050 k&Omega;D-&asymp; 0.24 k&Omega;, 1.219 k&Omega;-B-410 k&Omega;, 1.219 k&Omega;

APTITUDE CRACK · Accepted Answer

B 410 k&Omega;, 1.219 k&Omega;  In voltage series feedback output impedance decreases, input impedance increases, , Rif = Ri(1 + Aβ).

Exam Questions Papers - Engineering

Input and output impedance with feedback for voltage series feedback having A = -200, R₁ = 10 kΩ, R₀ = 50 kΩ and feedback factor β = -0.2 will be

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Exam Questions Papers - Engineering

Input and output impedance with feedback for voltage series feedback having A = -200, R1 = 10 kΩ, R0 = 50 kΩ and feedback factor β = -0.2 will be

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Input and output impedance with feedback for voltage series feedback having A = -200, R₁ = 10 kΩ, R₀ = 50 kΩ and feedback factor β = -0.2 will be

For help Students Orientation
Mcqs Questions