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Measurement and Instrumentation

Measurement and Instrumentation
Which of the following essential featuresis possessed by an indicating instrument?

Deflecting device
All of the listed here
Controlling device
Damping device

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Measurement and Instrumentation
The household energymeter is

An indicating instrument
A recording instrument
An integrating instrument
None of the listed here

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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

 250 Hz.
 400 Hz.
 500 Hz.
 625 Hz.

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Measurement and Instrumentation
When checked with an ohm meter an open resistor reads

  infinite.
  zero.
  low but not zero.
  high but within tolerance.

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Measurement and Instrumentation
Piezoelectric effect is carried out in

  constant k prototype.
  m derived.
  crystal filter.
  composite filter.

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Measurement and Instrumentation
An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read

 20.
 20√3.
 10.
  10√3.

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