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Electronics and Communication Engineering - Measurements and Instrumentation

Exercise : Measurements and Instrumentation - Section 5
46.
When deflecting torque and braking torque in an energy meter are zero,
the disc rotates at steady speed
the disc is stationary
the disc accelerates
the disc retards
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The sensitivity of a voltmeter using 0-5 mA meter movement is
50 Ω/V
100 Ω/V
200 Ω/V
500 Ω/V
Answer: Option
Explanation:

.

48.
Two meters X and Y require 40 mA and 50 mA for full scale deflection. Then
X is more sensitive
Y is more sensitive
both are equally sensitive
it is not possible to determine from given data
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
A dual trace CRO has
one electron gun
two electron guns
one electron gun with one two pole switch
two electron guns with one two pole switch
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
For measuring mutual inductance we can use
Anderson bridge
Maxwell's bridge
Heaviside bridge
Either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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