EXAMIANS
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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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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Which of following is not correct?
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Standardization of potentiometer is done in order that, they become
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The error of an instrument is normally given as a percentage of
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Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ?
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The adjustment of position of shading bands, in an energy meter is done to provide
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A dynamometer wattmeter can be used for
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In a CRO which of following is not a part of electron gun?
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A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to
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