1.
The wire should be ...................... to increase the Q factor of the coil.
A
long and thin
B
thick
C
long
D
thin
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The wire should be ...................... to increase the Q factor of the coil.
long and thin
thick
long
thin
Systematic errors can be removed by
re-calibrating instrument
buying instrument
dusting instrument
breaking instrument
An instrument with high precision implies
does not imply anything about measurement accuracy
none of the above
high accuracy
low accuracy
Which of the following is not a fundamental quantity?
Time
Luminous Intesity
Angle
Length
In which part of the scale does the pointer indicate more accurately
in about middle of the scale
in the last third of the cycle
in the first third of the cycle
in the first half of the cycle
Which error s caused by careless handling of an instrument ?
Random error
None of the above
Systematic error
Gross error
Precision of an instrument is defined as
Change in output for every change in input
None of the above
Closeness of output to the true value
Degree of freedom from random errors
Measurement which is close to true value is
average
error
accurate
precise
Accuracy of a measuring instrument indicates the
Ratio of output value to the input value
Change in output with each change in input
Closeness of the output reading to the true value
Degree of freedom from random errors
Which of the following error is caused by poor calibration of an instrument?
Gross Error
Precision Error
Random Error
Systematic Error
The decibel is a measure of
Power Level
None of the above
Current
Voltage