1
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
An advantage of a permanent magnet moving coil instrument is that it is
A
free from friction error
B
has high (torque/weight of the moving parts) ratio
C
has low (torque/weight of the moving parts) ratio
D
can be used on both a.c. and d.c.
2
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
The scale of a voltmeter is uniform. Its type is
A
moving iron
B
induction
C
moving coil permanent magnet
D
moving coil dynamometer
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
For a given frequency, the deflecting torque of an induction ammeter is directly proportional to
A
current2
B
current3
C
$$\sqrt {current} $$
D
current
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
The moving coil in a dynamometer wattmeter is connected
A
in series with the fixed coil
B
across the supply
C
in series with the load
D
across the load
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