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Measurement and Instrumentation

Measurement and Instrumentation
The core flux in the CT of above question no.6, under the given operating conditions is

 450 mWb.
 0.
 1000 mWb.
 225 mWb.

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Measurement and Instrumentation
How many time-base circuits does a dual face CRO can have?

 2.
 3.
 1.
 4.

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Measurement and Instrumentation
Resistances can be measured with the help of

Wattmeters
Ohmmeters and resistance bridges
Voltmeters
Ammeters

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 30o.
 105.6o.
 150o.
 63.25o.

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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

Short-circuited
Faulty
All right
None of these

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

Low
Almost zero
None of the listed here
High

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