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Measurement and Instrumentation

Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

 0.1001 Ω.
 0.001 Ω.
 1000 Ω.
 100 Ω.

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Measurement and Instrumentation
To measure high frequency currents, we mostly use ______ ammeter.

Moving iron
Dynamometer
Hot wire
Thermocouple

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Measurement and Instrumentation
The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is

 4%
 1%
 3%
 2%

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Measurement and Instrumentation
In eddy current damping, disc or former is made of a material that is a

Non conductor but magnetic
Conductor but magnetic
Conductor but non magnetic
Non conductor and non magnetic

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Measurement and Instrumentation
The Metric System is also called as:

 SI
 MKS system
None of these
 CGS

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Measurement and Instrumentation
In a CRO which of following is not a part of electron gun?

 Grid
  X-Y plates
 Cathode
 Accelerating anode

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