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Measurement and Instrumentation

Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Ra/Rc).Rb.
 (Rb/Rc).Ra.
 (Rc/Ra).Rb.
 (Rc/Rb).Ra.

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Measurement and Instrumentation
A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is

  250 bar.
 260 bar.
 270 bar.
 10 bar.

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Measurement and Instrumentation
A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of

 All of above.
 Resistance of connecting leads.
 Thermoelectric emfs.
 Contact resistance.

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Measurement and Instrumentation
Which of following is a vector quantity?

 Magnetic potential.
 Flux density.
 Relative permeability.
 Magnetic field intensity.

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Measurement and Instrumentation
Which of the following are integrating instruments?

Wattmeters
Voltmeters
Ammeters
Ampere hour and watt hour meters

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Measurement and Instrumentation
A galvanometer has

Fluid friction damping
Air friction damping
Eddy current damping
Spring coil damping

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MORE MCQ ON Measurement and Instrumentation

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