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Electrical Engineering · all questions

Electronics & Instrumentation
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The shorter wave length of the electron permits the detailed examination of tiny objects due to reduction of __________ effects

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Pick the correct statement regarding functions of a transducer
S1: Sense the magnitude, change in & / or frequency of same measurand
S2: To provide electrical output that furnishes accurate, quantitative data about the measurand

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S1: In multimode fiber optics, intensity modulating schemes can be employed.
S2: Schemes using polarizing techniques need birefringent fiber.

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Common mode rejection ratio is defined as ratio of

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Which of the following is a digital transducer?

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___________ amplifier is used to drive the recorder.

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The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as

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What is the total resistance of a voltmeter on the 10 V range when the meter movement is rated for 50 µA of full-scale current?

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Which of the following recorder gives slow response

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An ideal amplifier has

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If the full-scale deflection current of a multimeter is 50 µA, its sensitivity is

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Which of the following is likely to have the largest resistance?

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A VTVM is never used to measure ___________.

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A CRO is used to measure ___________.

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In foil strain gauge the thickness of foil varies from

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If the negative potential on the control grid of CRT is increased, the intensity of spot ___________.

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Isolation amplifier actually operates on the principle of

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Storage oscilloscope operates on the principle of

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The principle of operation of LVDT is based on the variation of

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_____________ is the example of photo emissive cell

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