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Measurement and Instrumentation

Measurement and Instrumentation
A voltmeter using thermocouple measures

 Average value.
  rms value.
 Peak to peak value.
 Peak value.

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Measurement and Instrumentation
How many time-base circuits does a dual face CRO can have?

 4.
 3.
 2.
 1.

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Measurement and Instrumentation
A null type instrument as compared to a deflected type instrument has

All of these
 a higher accuracy.
 a faster response.
 a lower sensitivity.

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Measurement and Instrumentation
A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be

 15 V.
  10.6 V.
 12.6 V.
 11.1 V.

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Measurement and Instrumentation
The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be

 1.2%
 0.5%
 1.5%
 1%

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Measurement and Instrumentation
A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is

  200 µNm.
 1 µNm.
 2 µNm.
 100 µNm.

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