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GATE Rapid Quiz on Analog Circuits-1

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Question 1

Two monoshot multivibrators, one positive edge triggered (M₁) and another negative edge triggered (M₂), are connected as shown in figure

The monoshots M₁ and M₂, when triggered, produce pulses of width T₁ & T₂ respectively, where T₁ > T_2. The steady-state output voltage V_o of the circuit is

Question 2

For a fixed bias configuration of BJT, the load line and the Q-point is obtained as:

Which of the following parameter is varied to obtain the new load line given below.

Question 3

As compared to a full wave rectifier using 2 diodes, the four diode bridge rectifier has the dominant advantage of

Question 4

The circuit shown is meant to supply a resistive load R_L from two separate DC voltage sources. The switches S1 and S2 are controlled so that only one of them is ON at any instant. S1 is turned on for 0.2 ms and S2 is turned on for 0.3 ms in a 0.5 ms switching cycle time period. Assuming continuous conduction of the inductor current and negligible ripple on the capacitor voltage, the output voltage V₀ (in Volt) across R_L is ______________.

Question 5

The op-amp shown in the figure has a finite gain A = 1000 and an infinite input resistance. A step voltage V_i = 1 mV is applied at the time t = 0 as shown. Assuming that the operational amplifier is not saturated, the time constant (in millisecond) of the output voltage V₀ is

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ESE & GATE EE Analog Electronics

Jul 14ESE & GATE EE