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Measurement and Instrumentation

Measurement and Instrumentation
If the instrument is to have a wide range, the instrument should have

Logarithmic scale
Square-law scale
Exponential scale
Linear scale

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Measurement and Instrumentation
Direct method is used to measure

Length
Voltage
Temperature
Pressure

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Measurement and Instrumentation
The pointer of an indicating instrument is generally made of _______

Copper
Silver
Soft steel
Aluminium

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Measurement and Instrumentation
Which amplifier in used in an electronic amplifier?

 Butter amplifer.
 Power amplifier.
 Wideband amplifier.
 Differential amplifier.

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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 ± 1.5) A
 (400 ± 3) A
 (400 ± 1) A

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Measurement and Instrumentation
An analog ammeter is

  an indicating instrument.
 a recording instrument.
 an absolute instrument.
 a controlling instrument.

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