Previous year question paper for EIM (Diploma Electronics & Communication Engineering 4th)

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Electronic Instruments and Measurements

Previous year question paper with solutions for Electronic Instruments and Measurements from 2012 to 2012

Our website provides solved previous year question paper for Electronic Instruments and Measurements from 2012 to 2012. Doing preparation from the previous year question paper helps you to get good marks in exams. From our EIM question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

1. Basics of Measurements (06 hrs)

1.1 Measurement, method of measurement, types of instruments.

1.2 Specifications of instruments: Accuracy, precision, sensitivity, resolution, range,

errors in measurement, sources of errors, limiting errors, loading effect, importance

and applications of standards and calibration.

2. Voltage, Current and Resistance Measurement (12 hrs)

2.1 Principles of measurement of dc voltage, dc current, ac voltage, ac current,

Principles of operation and construction of permanent magnet moving coil (PMMC)

instruments and moving iron type instruments.

2.2 Block diagram of multimeter and measurement of voltage, current and resistance

using multimeter

2.3 Limitations with regard to frequency and input impedance

3. Cathode Ray Oscilloscope (10 hrs)

 - Construction and working of Cathode Ray Tube (CRT)

 - Time base operation and need for blanking during fly back, synchronization

 - Block diagram description of a basic CRO and triggered sweep oscilloscope, front

 panel controls

 - Specifications of CRO and their explanation

 - Measurement of current, voltage, frequency, time period and phase using CRO

 - CRO probes, special features of dual beam, dual trace, delay sweep

 - Digital storage oscilloscope (DSO) : block diagram and working Principle

4. Signal Generators and Analytical Instruments (10 hrs)

4.1 Explanation of block diagram, specifications of low frequency and RF generators,

pulse generator, function generator.

4.2 Distortion factor meter; wave analyzer and spectrum analyzer

5. Impedance Bridges and Q Meters (12 hrs)

5.1 Wheat stone bridge.

5.2 AC bridges: Maxwell’s induction bridge,

5.3 Block diagram description of laboratory type RLC bridge, Specifications of RLC

bridge

5.4 Block diagram and working principle of Q meter

6. Digital Instruments (14 hrs)

6.1 Comparison of analog and digital instruments

6.2 Working principle of ramp, dual slope and integration type digital voltmeter

6.3 Block diagram and working of a digital multi meter.

6.4 Working principle of logic probe, logic pulser, logic analyzer, logic comparator,

signature analyzer and logic analyzer..

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2012
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