An ammeter requires a change of 4A in its coil to produce a pointer deflection of 8mm then its sensitivity is
A) 2.5 mm/a
B) 2.0 mm/a
C) 0.5 mm/a
D) none of the above
Correct Answer:
Verified
Q4: The deflection torque can be produced by:
A)gravity
Q5: Moving coil instruments are:
A)permanent magnet type
B)dynamometer type
C)induction
Q6: For increasing the range of an ammeter,
Q7: A galvanometer can be used for measuring
Q8: The energy consumption of MI instrument as
Q10: Electrostatic type instruments are mainly used for
Q11: Measurement range of a voltmeter can be
Q12: Which of the following voltmeter have least
Q13: Which of the following instruments have least
Q14: Fluid friction damping can be used in
A)horizontally
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