Multiple Choice
The damping force acts on the moving system of an indicating instruments only when it is
A) moving
B) stationary
C) near its full scale deflection
D) just staring to move
Correct Answer:
Verified
Correct Answer:
Verified
Q11: The size of the earth or ground
Q12: Potentiometer is an _ instrument:<br>A)indicating<br>B)comparison<br>C)calibrating<br>D)recording
Q13: In a portable instrument, the controlling torque
Q14: In majority of instruments damping is provided
Q15: While testing cables the galvanometer used should
Q17: Instrument transformers are<br>A)potential transformers<br>B)current transformers<br>C)both (a) and
Q18: The pointer of an indicating instrument should
Q19: Systematic errors are<br>A)instrumental errors<br>B)environmental errors<br>C)observational errors<br>D)all of
Q20: Swamping of resistance is used to compensate
Q21: The gravity controlled instrument has crowded scale