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Electronics and Communication Engineering - Measurements and Instrumentation

Exercise : Measurements and Instrumentation - Section 7
46.
If M is mutual inductance between fixed and moving coils and θ is deflection of dynamometer instrument, then
θ ∝ M
θ ∝ M2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The switch board instruments
should be mounted in vertical position
should be mounted in horizontal position
should be mounted at about 45°
should be mounted at about 80°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Radiation pyrometer is used to measure temperature in the range of
-200 to 500° C
0 to 500° C
500 to 1200° C
1200 to 2500° C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The electromagnets of an induction wattmeter
are laminated
are not laminated
may be laminated
must not be laminated
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
In a vibrating reed frequency meter the natural frequency of two adjacent reeds have a difference of
0.25 Hz
0.5 Hz
1.25 Hz
1 Hz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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