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Measurement and Instrumentation

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

  Capacitance.
 Inductance.
 Frequency.
 Resistance.

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Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Integrating
Recording
Absolute
Indicating

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Measurement and Instrumentation
A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be

 2 A.
 5.78 A.
 4 A.
  4.47 A.

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Measurement and Instrumentation
In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is

 150∠30° ohm.
 300∠90° ohm.
 400∠-90° ohm.
 600∠-150° ohm.

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Measurement and Instrumentation
Standard resistor ia made from

Nichrome
Manganin
Silver
Platinum

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Measurement and Instrumentation
The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ?

 ± 1.5%
 ± 1%
 ±3.5%
 ± 2.5%

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