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OBJECTIVE QUESTIONS

1. The degree of reproducibility of a meter isa) Accuracy b) Precision c) Resolution d) None

2. The degree of agreement with in a group of measurements is

a) Precision b) Accuracy c) Sensitiity d) Resolution!. "eters A and # reads a ariable as $.% and %.1.The true alue is %.&hich of the following statements is correct'

a) A meter A is more accurate b) "eter # is more accuratec) #oth meters hae same accuracy d) Accuracy can not be decided from

the aboe data.(. &hich of the following is not correctable error

a) ross b) Systematic c) Random d) *nstrument+. The probable error is gien by,

a) -.%$+ b) r/ 6745.0 c) r/-.0(+ d) r/ 6754.0

. A oltmeter has a full scale deflection current of 1--mA.*ts sensitiity is V/

a) 1-- b) 1- c) -.-1 d) -.--1$. Three resistors are connected in series with 1-- %.15200%,10200%,5 = the

limiting error of the resistance isa) + b) 1- c) 1+ d) 11

%. The internal impedance of an ideal ammeter isa) - b) infinity c) 13 d) 1"

0. The internal impedance of an ideal oltmeter isa) 4igh b) ery high c) 5ero d) infinity

1-. 6oading effect of a oltmeter is'error.

a) Static b) ross c) Random d) 7ynamic11. A capacitor used on a 2(- olt a.c line should hae pea8 oltage rating ofa) 2(-9 b) !(-9 c) $2-9 d) 12-9

12. The rating of a battery is gien bya) 3& b) Amperehours c) 39A d) 9AR hr

1!. 7ielectric strength of air isa) !- :m b) !- 39:m c) !-- 39:m d) !--- 39:m

1(. The galanometer moement should be ideallya) ;nder damped b)


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1%. P""< moement is also calleda) Thermo couple instrument b) R> instrumentc) d Arson 9al moement d) Blectrodynamometer

10. The following is used for temperature compensation in P""re@uency to time conersion d) time to fre@uency conersion

-. A 79" has (2

1digit display. Then 1 9olt range can read up to

a) 0000 b) 0.000 c) 1.000 d) -.0000

1. The principle of JI meter isa) Series resonance b) "utual inductancec) Self inductance d) Parallel resonance

2. &heatstone bridge is used for the measurement of resistance froma) -.--1 ohm to 1 ohm b) 1 ohm to few mega ohmsc) -.---1 oh to -.--1 ohm d) 1-- " ohms and aboe

!. The bridge used for the measurement of ery low alue resistances.a) &heatstone bridge b) "aFwells bridgec) 3elins double bridge d) Anderson bridge

(. The lead resistance problem in &heatstone bridge is eliminated ina) "egger b) &ien bridge c) Schering bridge d) 3elins

double bridge+. The lea8age current problem in &heatstone bridge is eliminated bya) uard circuit b) &ager ground connectionc) Swamping resistor d) None

. The bridge used for the measurement of medium I coils isa) 4ay bridge b) Schering bridgec) &ien bridge d) "aFwell bridge

$. The bridge used for a measurement of inductance isa) Anderson bridge b) 4ay bridge c) "aFwell bridge d) All of these

%. The bridge used for a measurement of capacitance isa) &heatstone bridge b) Schering bridge

c) 4ay bridge d) "aFwell bridge0. The bridge used for measuring Audio and high fre@uency oscillationsa) &heat stone bridge b) "aFwell bridgec) &ien bridge d) 4ay bridge

$-. &hich of the following bridge may be used for capacitance measurementa) 4ay bridge b) Anderson bridgec) &ien bridge d) "aFwell bridge

$1. *nstrumentation amplifiers are used for measurea) 4igh oltage b) 4igh fre@uency c) ery low current d) 4igh current

$2. &hich of the following is a dc bridgea) 4ay bridge b) Anderson bridge


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a) (3 b) %8 c) 1-8 d) 2-3$$. 7issipation factor of an ideal capacitor and ideal inductor is

a) -E b) -E- c) E d) E-$%. A balanced wien bridge has R1/R!/+- ER2/1-3ER(/+3Ea) 2-- radians:sec b) 2- radians:secc) +- 4H d) 1- radians:Sec

$0. A balanced A< bridge has the constants 1 /0--E

0

2 $0= E !/-

-. The element

in the un8nown arm ( should bea) an inductor b) a resistor c) a capacitor d) None

%-. >or measuring 1--" Ethe instrument used is 'a) "egger b) 9T9" c) "ultimeter d) ohmmeter

%1. >or measuring used for the measurement of high JI inductors isa) "aFwells b) Schering c) 4ays d) &eins

%2. The bridge used for measurement of inductance isa) &heatstone bridge b) 3elin 7ouble #ridge

c) Anderson bridge d) Schering bridge%!. The bridge which measures an un8nown inductance in terms of a 8nown capacitance is '..

a) Schering bridge b) Anderson bridgec) 4ays bridge d) "aFwells bridge

%(.


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c) Power supply d) 4oriHontal channel0!. Two sine waes are applies across ? plates and yPlates of

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