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MEASUREMENT AND INSTRUMENTATION QUIZ

A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is

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Most accurate measurement of unknown resistance will be by

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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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A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is

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A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is

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A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

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In induction type ammeter, _____ damping is provided.

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For handling greater currents induction watt-meters are used in conjunction with

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The multiplier and the meter coil in a voltmeter are in

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What is the name of physical quantities which are independent of each other?

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