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GATE 2022 Toppers Quiz 26

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Question 1

In a full-wave rectifier using two ideal diodes and center tapped transformer, V_dc and V_m are the dc and peak values of the voltage respectively across a resistive load. If PIV is the peak inverse voltage of the diode, then the appropriate relationships for this rectifier are

Question 2

For the circuit shown in the figure,

and

If the input

then the overall voltage gain

of the circuit is ______.

Question 3

The small signal resistance (i.e., dV_B/dI_D) in kΩ offered by the n-channel MOSFET M shown in the figure below, at a bias point of V_B = 2 V is (devise data for M: device transconductance parameter

, threshold voltage

, and neglect body effect and channel length modulation effects)

Question 4

The angle of asymptotes for the system shown below are

Question 5

In the circuit shown, assume that the opamp is ideal. If the gain (V₀ / V_in) is –12, the value of R (in kΩ) is _____.
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Question 6

A non-linear device has transfer characteristic given by I = (4 + v_i + v_i²) mA is supplied with a carrier of 2 V amplitude and a sinusoidal signal of 1 V amplitude in series. The modulation index is

Question 7

Let