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Measurement and Instrumentation

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

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

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Measurement and Instrumentation
The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as

 (400 ± 2.24) A
 (400 ± 1) A
 (400 ± 1.5) A
 (400 ± 3) A

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Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Absolute
Integrating
Indicating
Recording

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Measurement and Instrumentation
An oscilloscope indicates

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

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Measurement and Instrumentation
The absolute measurement of resistance is done by

Rayleigh method
Ohm’s law method
Bridge Method
Lorenz method

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Measurement and Instrumentation
A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be

 11.1 V.
 12.6 V.
  10.6 V.
 15 V.

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