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GATE 2022 Toppers Quiz -2

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Question 1

Determine the permissible range in maximum modulation index for commercial FM which has 30Hz to 15kHz modulating frequency.

Question 2

consider the amplifier given below

Assume op-amp to be ideal, the output of the above circuit is given as

If A₁ = - 2, then the value of A₂ will be _________.

Question 3

What is the output expression at Y in the given below diagram?

Question 4

A memory system of 128 K bytes need to be designed with RAM chips of 2 K bytes each and a decoder circuitry constructed with 1

2 decoder chips with “enable” input. The minimum number of a decoder chips required in a design are______.

Question 5

The loop transfer function of negative feedback system is given as

. The gain margin of the system for gain k = 6 is ______ dB

Question 6

An electromagnetic wave from an under-water source with perpendicular polarization is incident on a water-air interface at angle 20⁰ with normal to surface. For water assume

. The critical angle

Question 7

Given the following statements about a function f: R —>R, select the right option.
P: If f(x) is continuous at x = x_o, then it is also differentiable at x = x_o.
Q: If f(x) is continuous at x = x_o, then it may not be differentiable at x = x_o.
R: If f(x) is differentiable at x = x_o, then it is also continuous at x = x_o

Question 8

For the signal shown value of

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ESE & GATE EC General

Dec 13ESE & GATE EC