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Measurement and Instrumentation

Measurement and Instrumentation
Which of the following quantities consists of S.I. unit as Hertz?

 Charge
 Power
 Force
 Frequency

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Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

 thin.
 long and thin.
 thick.
 long.

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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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Measurement and Instrumentation
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage

 1 %.
 3.33 %.
 2 %.
  2.66 %.

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

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

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Measurement and Instrumentation
Schering bridge is used to measure which of the following?

 Frequency.
  Capacitance.
 Resistance.
 Inductance.

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