IndiaBIX

Electronics and Communication Engineering - Measurements and Instrumentation

Exercise : Measurements and Instrumentation - Section 7
11.
Which bridge can be used to measure frequency?
Maxwell
Kelvin
Schering
Wein
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The time base generator in a CRO gives an output which is
low frequency sinusoidal
high frequency sinusoidal
low frequency rectangular
high frequency sawtooth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The standard deviation σ in terms of n observations having deviations from mean dm can be written as
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
An average responding rectifier type electronic voltmeter has its scale calibrated in terms of rms value of sine wave. If 100 V peak value square wave is fed to this voltmeter, the reading will be
111 V
100 V
90.9 V
70.7 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In low power factor wattmeter, the compensating coil is connected
in series with current coil
in parallel with current coil
in series with pressure coil
in parallel with pressure coil
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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