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LMRC JE EC 2018: Mini Mock Quiz 1

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Question 1

The ideal operational amplifier does not have:

Question 2

Slew rate is defined by:

Question 3

The disadvantage of CDMA system is:

Question 4

This figure is a block diagram of ________:

Question 5

A NOR gate is equivalent to a bubbled AND gate. This statement is an outcome of:

Question 6

The correct order of electromagnetic spectrum with decreasing frequency is:

Question 7

A PIN diode is:

Question 8

The resolution of a potentiometer should be:

Question 9

The circuit shown in the figure has initial current

through the inductor and an initial voltage

across the capacitor. For input

the Laplace transform of the current i(t) for t ≥ 0 is:

Question 10

A series RLC circuit has a resonant frequency of 1KHz and a quality factor Q = 100. If each of the R, Land C is doubled from its original value, the new Q of the circuit is:

Question 11

The response of an LTI/LSI system is given by the_______ of input and impulse response:

Question 12

If a signal x(n)=x(–n), then it is called ____ signal:

Question 13

It takes 9 men to dig a well in 3 days. 18 women do the same job in 6 days. How long will it take for 3 men and 6 women to finish the job?

Question 14

Three persons A, B and C are running in a race. A beats B by 10 seconds and C beats B by 3 seconds. If A beats B by 100 meters then what is speed of C?

Question 15

A swimmer can swim downstream at 12 km/h and upstream at 5 km/h. Find the speed of swimmer in still water.

Question 16

A Boat rowed down the river at 18 Km/h and rowed up the river at 8 km/h. What is the velocity of stream?

Question 17

The product of Ramu’s age 5 yr ago with his age 7 yr later is 28. Ramu’s present age is

Question 18

A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 38 years now, the son's age five years back was:

Question 19

The product of the ages of Ankita and Sunita is 240. If twice the age of Sunita is more than Ankita’s age by 4 years. What is Sunita’s age?

Question 20

Which one of the following is the minimum value of the sum of two integers whose product is 24?

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ESE & GATE EC General

Jun 22ESE & GATE EC