17) The value of a shunt resistance in an ammeter is usually :

equal to the meter resistance

greater than the meter resistance

lesser than the meter resistance

of any value

Answer is:

lesser than the meter resistance

Measuring MCQ - Electrician (Set-1) with Answers

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18) If the approximate value of the current to be measured is not known, measurement should be started on :

the lowest range

the middle range

the highest range

any range

Answer is:

the highest range

19) The sensitivity of a voltmeter is expressed as :

volts/ohm

ohm.volt

1/ohm.volt

ohms/volt

Answer is:

ohms/volt

20) The disadvantage associated with an electrodynamic instrument is this that :

it costumes more electric power

it has low torque to weight ratio

its frequency range is low

all of these

Answer is:

all of these

Explanation:

The disadvantage associated with an electrodynamic instrument is this that
* it costumes more electric power
* it has low torque to weight ratio
* its frequency range is low

21) An electrodynamic meter can be used to measure :

a.c. voltage

d.c. voltage

d.c. as well as a.c. voltage

d.c. voltage but for a.c. voltage rectification is necessary

Answer is:

d.c. as well as a.c. voltage

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