EXAMIANS
Which of the following essential featuresis possessed by an indicating instrument?
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Which wave has the least form factor?
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Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because
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For handling greater currents induction watt-meters are used in conjunction with
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A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads
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A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be
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The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
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A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read
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Standardization of potentiometer is done in order that, they become
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The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is
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