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ISRO EC Exam 2017: Practice Quiz 1

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Question 1

Which of the following devices can be used for generating a PWM signal?

Question 2

If the input to the circuit of Figure is a sine wave, then the output will be:
Description: Description: Description: Description: Description: E:\GradeStack Courses\ISRO-EC-2012_files\image001.png

Question 3

The modulated carrier average power in an FM system is equal to 

Question 4

A low pass filter as shown in following figure is built using an operational amplifier having unity gain bandwidth of 1 MHz. What is the bandwidth of this circuit?
Description: E:\Gate\isro-cs\ISRO_EC_2013_files\image350.png

Question 5

Which of the following is not true regarding a preemptive kernel

Question 6

For the network shown in the figure Vi(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 7

The binary number 111 represents

Question 8

A standard air-filled rectangular waveguide has dimensions and The type of mode that can be used to transmit electromagnetic wave with wavelength is

Question 9

An N-channel enhancement mode MOSFET with threshold voltage of 1 V is biased at VGS = 2V and VDS = 2V. If the drain voltage is doubled to 4 V, the drain to source current will

Question 10

Given that

A=Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image019.pngEvaluate Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image020.png
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Nov 20ESE & GATE EC