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UPPCL AE 2018 : Quiz 7

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Question 1

At resonance, the circuit power factor is

Question 2

For the network shown in the figure V_i(t) is the input and i(t) is the output. The transfer function $Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image027.png$ of the network is
$Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image028.jpg$

Question 3

A register that shifts the data hits in individual flip-flops one step to the right each time a clock pulse occurs is called

Question 4

Magnitude of input impedance of a

lossless

transmission line terminated with

is:

Question 5

A resistance ‘R’

and inductance of ‘L’ H are connected in series across 240 V, 50 Hz supply. Power dissipated in the circuit is 300 W and the voltage across R is 100 V. In order to improve the power factor to unity, the capacitor that is to be connected in series should have a value of:

Question 6

The Hall-coefficient of a specimen of doped semiconductor is 3.06×10^-4m³C^-1and the resistivity of the specimen is 6.93 ×10^-3Ωm. The majority carrier mobility will be:

Question 7

A 1 kW carrier is Amplitude Modulated to a depth of 60%. The total power in the modulated carrier is

Question 8

Let where * denotes the convolution operation. The following is false

Question 9

According to Stockholm International Peace Research Institute, with spending of $55.9 Billion in 2016, which country became world’s fifth-largest military spender?

Question 10

A hemisphere is kept on top of a cube, its front view is shown in the given figure. The total height of the figure is 21 cm. The ratio of curved surface area of hemisphere and total surface area of cube is 11: 42. What is the total volume (in cm³) of figure?

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ESE & GATE EC General

Feb 22ESE & GATE EC