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Measurement and Instrumentation

Measurement and Instrumentation
Which one of the following units is a fundamental unit?

 Newton
 Watt
 Ampere
 Joule/sec

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Measurement and Instrumentation
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

Low
None of the listed here
High
Almost zero

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Measurement and Instrumentation
What is the unit of plane angle?

 Degree
 Steradian
 Candela
 Radian

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Measurement and Instrumentation
Deflection method direct measurements are most widely used as these are

 most simple.
 most accurate.
 least time consuming.
 most simple and least time consuming.

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Measurement and Instrumentation
To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows

 sinisoidal.
 an ellipse.
  a circle.
 a straight line.

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

Any of the listed here
Both DC and AC
DC only
AC only

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