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Measurement and Instrumentation
A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is
1.7 V.
1.5 V.
1.34 V.
1 V.
1.7 V.
1.5 V.
1.34 V.
1 V.
Answer
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Related Question
Measurement and Instrumentation
Ryall crest voltmeter is used for measurement of
High DC voltage
High AC voltage
Low frequency voltage
AC voltage of any form
High DC voltage
High AC voltage
Low frequency voltage
AC voltage of any form
Answer
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Measurement and Instrumentation
The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be
0.2% more.
0.4 more.
0.4% less.
0.2% less.
0.2% more.
0.4 more.
0.4% less.
0.2% less.
Answer
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Measurement and Instrumentation
Which of the quantity consists of unit as kg m/sec ?
Acceleration
Momentum
Impulse
Speed
Acceleration
Momentum
Impulse
Speed
Answer
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Measurement and Instrumentation
The core flux in the CT of above question no.6, under the given operating conditions is
1000 mWb.
225 mWb.
450 mWb.
0.
1000 mWb.
225 mWb.
450 mWb.
0.
Answer
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Measurement and Instrumentation
Which of the following instruments can be used to measure AC current only?
Moving iron voltmeter
Moving iron ammeter
Induction type ammeter
Permanent Magnet Type ammeter
Moving iron voltmeter
Moving iron ammeter
Induction type ammeter
Permanent Magnet Type ammeter
Answer
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