GAT ECE Sample Mock Test Online

1. For the circuit shown in the following the capacitor C is initially uncharged. At t=0 the switch is closed. The voltage V_c across the capacitor at t=1 ms is?

Op AMP supply with±15 V & the ground has been shown.

2. Fill in the blanks with the most appropriate word from the choices.

China's rising economic clout and assertiveness is being viewed with some-----------in the neighboring regions.

3. If P_k is the probability of a message being received or transmitted, the amount of Information I_k associated om a bit is?

4. 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.

MUSICIAN: BAND

5. The orthogonal trajectory of the family of curves xy=k² is?

6. Fill in the blanks with the most appropriate word from the choices.

Combining theprotection and use of heritage structures with the demands of rapid urbanization has become a--------.

7. Calculate the resistivity of semiconductor material using given data

Mobility of free electrons and holes in pure Germanium are 2400 cm²/v -s, and 1450 cm²/v-s, assume

n_i =2.5×10¹³ cm^-3 for Ge.

8. A signal m(t) is multiplied by cosine was form of frequency f_c, (m(t) is not a sinusoidal) if Fourier transform of m(t) is M(f), then the Fourier transform of the product is?

9. The details of area, total population, urban population and the number of literates of certain states are given in the following table. Study the table and answer the questions that follow.

What is the literacy rate of the state which has the third highest rural population? (in lakes)

10. In the case of the RLC circuit shown in the given figure, the voltage across the R, L and C would respectively be

11. The CMRR of the differential amplifier circuit shown is equal to?

12. The region=0 is characterized by ∈_r=µ_r =1 and σ=0, the total electric field here is given by

E_t= 2e^-j20ta_x+2⌊180°e^+j20ta_y V/M

The reflection coefficient is?

13. Identify which one of the following is not a tree of the graph shown in the figure.

14. The SNR of an FM limiter-discriminator demodulator is? When input signal strength =0.5 W, maximum frequency deviation=60 KHz, base band signal cut off frequency =15 KHz, received white Gaussian noise power spectral density=10^-9 W/Hz and the average power of modulating signal is=0.1 W

15. 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)