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ESE Technical Revision Quiz 7

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Question 1

The expression for current while charging capacitor in RC Circuit as per graph will be:

Question 2

Which ionosphere layer is responsible for the return of a radiation at frequency 30 MHz?

Question 3

Four independent observations recorded voltage measurement of 110.02 V, 110.11 V, 110.08 V and 110.03 V. The average range of error will be

Question 4

What is the output voltage v_o for the circuit shown below assuming an ideal diode?

Question 5

For energy propagation in a lossless transmission line, the characteristic impedance of the line is expressed in ohm as below (where notations have usual meanings).

Question 6

The logic function; Out=ab+bc+ca
Defines.
1). The output of a 3-inputs XOR gate
2). The output of a 3-input majority gate
3). The sum output of a full adder
4). The Carry output of a full adder
Which of these statement are correct?

Question 7

The impulse response of a linear time invariant system is given as
g(t) = e^-t, t> 0
The transfer function of the system is equal to.

Question 8

Select the correct transfer function of closed control system shown?

Question 9

It is awkward to employ signed-magnitude system in computer arithmetic, because
1) Sign and magnitude have to be handled separately
2) It has two representations for ‘0’ Which of the above statements is/are correct?

Question 10

If two antennas are joined together and connect with a meter in series, then find the amount of power at meter end? Assume Line loss L₁ = L₂ = 0.5 and 10log L₁ or L₂ = 3 dB

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ESE & GATE EC General

Jul 5ESE & GATE EC