Question paper for GATE Electronics and Instrumentation

Can you please provide here GATE Electronics and Instrumentation model question paper???

[Arun Vats]

You are looking for GATE Electronics and Instrumentation model question paper, here I am giving:

A microscope uses a micro-objective 10X, numerical aperture 0.25 and an eyepiece of focal length of 25 mm. The magnification of the microscope is Options
A) 25 B) 50 C) 100 D) 125

The output from a 633 nm He-Ne laser comes out from the mirror with a beam diameter of lmm and diverges to the far field. It is brought to a focus by a convex lens of focal length of 17 mm. The spot size diameter of the beam at the focal point is
A) 20  m B) 26  m C) 52  m D) 13  m

A minimal microcomputer system is constructed using INTEL 8085 microprocessor, an 8156 RAM and an 8355 ROM. The chip enable CE of 8355 are connected to the address line A12. of 8085. The address of port A of the 8156 chip is Options
A) 21H B) 12 H C) 11H D) 20H

A quartz crystal (Young’s modulus, E=9 x 1010 N/m2) with piezo-electric properties has diameter of 10mm and thickness of 2 MM. Its voltage sensitivity constant is 4500 V/m. If the voltage output is 127.3V, the applied load is approximately Options A) 100 N B) 200 N C) 127.3 N D) 6.4 N

The following terms used in the context of an instrument are numbered as shown :
1) accuracy,
(2) sensitivity,
(3) precision and
(4) resolution Match these with their possible definitions listed below P. Repeatability of readings on successive observations Q. Smallest perceptible change in the output R. Deviation of the output from the true value S. Minimum value of the input from the true value T. Ratio of the change in the instrument reading to the change in the measured







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