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Measurement and Instrumentation

Measurement and Instrumentation
In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is

 0.5.
 none of above.
 1.
 0.

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Measurement and Instrumentation
An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is

 5%
 6%
 3%
 4%

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

Almost zero
High
Low
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

 500 Hz.
 400 Hz.
 625 Hz.
 250 Hz.

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Measurement and Instrumentation
A 10MHz CRO has

10MHz horizontal oscillator
5MHz sweep
10MHz supply frequency
10MHz vertical oscillator

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Measurement and Instrumentation
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

All right
None of these
Faulty
Short-circuited

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MORE MCQ ON Measurement and Instrumentation

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