GAT ECE Sample Mock Test Online

1. The admittance parameter Y₁₂ in the two port network is-------------.

2. Use above data and find F₂.

3. A common emitter amplifier shown in the figure is biased using a l mA ideal current source. The approximate base current value is?

4. Which one of the following is the correct statement for

The continuous time system described by y(t)=x(t²)

5. The Thervenin's equivalent voltage V_th appearing between the terminals A and B of the network shown in figure is given by

6. The transfer function of a phase lead network as shown in the figure below is k(1+0.3s)/(1+0.17s).

The values of R₁ and R₂ are respectively.

7. Current through a Silicon diode is 60 mA at a Forward bias of 0.95 V then the values of AC and DC Resistance of diode are?

8. The following plot shows a function y which varies linearly with x, the value of the integral of I=∫²₁ yd x is?

9. A and B throw a pair of dice alternately. A wins if he throws 6 before B throws 7 and B wins if he throws 6 before A throws 7. A begins. Find the probability of A losing.

10. If x(n) 7n²+5n+9, z-transform of x(n) is?

11. The gain margin of a unity feedback control system with the open loop transfer function G(s)= (s+1)/s² is?

12. How many times should the keys of a type writer be pressed in order to type the first 299 natural numbers?

(No space are left between the numbers)

13. Determine the thevenin equivalent circuit for the transistor network, external to the resistor R₁. (i.e, between terminals A and B) Input Impedance of base= 2.3 k Ω, β=100.

14. Find the second approximation of x²+3 sin x=0 corrected to four decimals when x₀= 1.7 by using Newton-Raphson method

15. The question below consists of a pair of related words followed by four pairs of words. Select the pair that shares a similar relationship as the original pair.

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