Electrical & Electronics Measurements Objective Questions
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The dynometer principle can be for
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In measurement system, the function of the signal manipulating elements is to
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Comparison methods are used
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If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then
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A null type instrument as compared to a deflected type instrument has
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Systematic errors are
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Resolution of an instruments is
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A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?
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The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement?
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The moving coil-meters, damping is provided by
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A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage
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A lissajous pattern, as in figure is observed on the screen of a CRO when voltage of frequencies fx and fy are applied to the X and Y plates respectively. Then fx:fy is then equal to
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An analog ammeter is
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Purely mechanical instrument cannot be used for dynamic measurements because they have
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The scale of hot wire ammeter is
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Resolution of an instruments is
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In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is
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Donors to a semiconductor material is
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The terminals across the source are ______________________________ if a current source is to be neglected.
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Base-10 system is also called as
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The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
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The smallest change in measured variable to which instrument will respond is
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A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is
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In AC circuits, the connection of measuring instruments cause loading effect errors which may effect
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Example of donor atom is
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The errors mainly caused by human mistakes are
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Deflection method direct measurements are most widely used as. These are
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Which following are integrating instruments?
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Relative error is same as
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The use of __________________ instruments is merely confined within laboratories as standardizing instrument.
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Take All Tests :
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Electrical & Electronics Measurements Objective Questions – Set 1
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Electrical & Electronics Measurements Objective Questions – Set 2
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Electrical & Electronics Measurements Objective Questions – Set 3
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Electrical & Electronics Measurements Objective Questions – Set 4
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Electrical & Electronics Measurements Objective Questions – Set 5
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Electrical & Electronics Measurements Objective Questions – Set 6