1
GATE EE 2005
MCQ (Single Correct Answer)
+1
-0.3
A $$PMMC$$ voltmeter is connected across a series combination of a $$DC$$ voltage source $${V_1} = 2V$$ and $$AC$$ voltage source $${V_2}\left( t \right) = 3$$ $$sin(4t)$$ $$V.$$ The meter reads GATE EE 2005 Electrical and Electronics Measurement - Basic of Indicating Instruments Question 3 English
A
$$2V$$
B
$$5V$$
C
$$\left( {2 + \sqrt 3 /2} \right)V$$
D
$$\sqrt {17} /2V$$
2
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
A galvanometer with a full scale current of $$10$$ $$mA$$ has a resistance of $$1000$$$$\Omega $$. The multiplying power (the ratio of measured current to galvanometer current) of a $$100$$$$\Omega $$ shunt with this galvanometer is
A
$$110$$
B
$$100$$
C
$$11$$
D
$$10$$
3
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and the stray fields are
A
perpendicular
B
parallel
C
inclined at $${60^0}$$
D
inclined at $${30^0}$$
4
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
A Manganin swamping resistance is connected in series with a moving coil ammeter consisting of a milli-ammeter and a suitable shunt in order to
A
minimize the effect of temperature variation
B
obtain large deflecting torque
C
reduce the size of the meter
D
minimize the effect of stray magnetic fields
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