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Electronics and Communication Engineering - Measurements and Instrumentation

Exercise : Measurements and Instrumentation - Section 9
41.
To measure an emf by dc potentiometer it is necessary to standardise the potentiometer with the help of a standard cell.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Which of the following transformers has low primary current?
Current transformer
Potential transformer
Distribution transformer
Both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The phenomenon of creep occurs in
energy meters
voltmeters
ammeters
wattmeters
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
A D' Arsonval galvanometer is a
moving coil instrument
moving iron instrument
dynamometer instrument
induction instrument
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Schering bridge is used to measure
capacitance and dielectric loss
inductance
resistance
mutual inductance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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