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Measurement and Instrumentation

Measurement and Instrumentation
An electrodynamic meter can be used to measure

 DC voltage.
 DC current.
  both AC and DC voltage.
 AC volatge.

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Measurement and Instrumentation
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

 625 Hz.
 400 Hz.
 500 Hz.
 250 Hz.

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Measurement and Instrumentation
The multiplier and the meter coil in a voltmeter are in

Series-parallel
Series
Parallel
None of the listed here

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

  gross error.
 instrumental error.
 observational error.
 systematic error.

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Measurement and Instrumentation
The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A.

 5
 4
 1
 2

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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

 12.6 V.
  10.6 V.
 15 V.
 11.1 V.

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MORE MCQ ON Measurement and Instrumentation

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