1. An ammeter is a ?

secondary instrument

absolute instrument

recording instrument

integrating instrument

Answer: secondary instrument

Explanation:


2. The resolution of a potentiometer should be ?

Zero

Low

High

Infinite

Answer: Infinite

Explanation:


3. An ideal current meter should have ?

Zero resistance

Finite resistance

Infinite resistance

Very large resistance

Answer: Infinite resistance

Explanation:


4. The household energy meter is ?

an indicating instrument

a recording instrument

an integrating instrument

both integrating and indicating instrument

Answer: an integrating instrument

Explanation:


5. The operation of a Thermocouple is based on ?

Thomson effect

Seebeck effect

Peltier effect

Faraday's laws

Answer: Seebeck effect

Explanation:


6. Perfect reproducibility means the instrument has ?

Zero drift

High accuracy

Maximum drift

Minimum accuracy

Answer: Zero drift

Explanation:


7. Creep error is associated with which one of the following meters ?

Moving iron Meter

Energy meter

Electrodynamics Meter

Wattmeter

Answer: Energy meter

Explanation:


8. The error committed by a person in measurement are ?

gross errors

random errors

instrumental errors

environmental errors

Answer: gross errors

Explanation:


9. Measure the inductance (L) having high value, which bridge can be used ?

Maxwell bridge

Maxwell Wein bridge

Wheatstone bridge

Hay's Bridge

Answer: Hay's Bridge

Explanation:


10. Name the bridge used for measuring low resistance ?

Maxwell's bridge method

Kelvin's double bridge method

Potentiometer method

Wheatestone bridge method

Answer: Kelvin's double bridge method

Explanation: