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Measurement and Instrumentation

Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Wein bridge
Any of the listed here
Schering bridge
Modified De santy's bridge

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Measurement and Instrumentation
The operating voltage of a megger is about

40 V
6 V
100 V
12 V

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

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

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

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

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Measurement and Instrumentation
The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when

 R1 = 2R2.
 R1 = R2/2.
 R1 = 3R2.
 R1 = R2.

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Measurement and Instrumentation
An oscilloscope indicates

RMS value
Peak to peak value of voltage
DC value of voltage
Average value

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MORE MCQ ON Measurement and Instrumentation

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