ECE :: Measurements and Instrumentation
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Two resistances R1 = 18.7 Ω. and R2 = 3.624 Ω in series. The total resistance to the appropriate number of significant figures is
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Which of the following is not correct in respect of electrostatic instrument?
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The wave applied to X plates, for ohtaining trace of voltage wave, is
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The response of a thermistor overs the whole of its temperatures range is
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A resistance is measured by voltmeter-ammeter method. The voltmeter is 0-250V, ± 1% accuracy and ammeter is 0-5 A, ± 1 % accuracy. The readings of voltmeter and ammeter are 100 V and 2 A respectively. The error in the measured resistance can be
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It is required to study transients during switching process. Which CRO should be preferred?
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Assertion (A): In loss of charge method, it is preferable to use an electronic voltmeter.
Reason (R): The resistance of electronic voltmeter is very high.
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If the secondary winding of CT is opened when primary coil is carrying current
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The percentage limiting error in an instrument reading 8.3 V and having guaranteed accuracy of 1% of the full scale reading and range of 0-150 V is
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