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Recent questions tagged currentmeasurement
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GATE2014248
Two ammeters $X$ and $Y$ have resistances of $1.2$ $Ω$ and $1.5$ $Ω$ respectively and they give fullscale deflection with $150$ $mA$ and $250$ $mA$ respectively. The ranges have been extended by connecting shunts so as to give full scale deflection ... placed in a circuit in which the total current flowing is $15$ $A$. The current in amperes indicated in ammeter $X$ is __________.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014ee2
currentmeasurement
voltagemeasurement
0
votes
0
answers
2
GATE2014148
The $dc$ current flowing in a circuit is measured by two ammeters, one $PMMC$ and another electrodynamometer type, connected in series. The $PMMC$ $meter$ contains $100$ \turns in the coil, the flux density in the air gap is $0.2$ $Wb$/$m^2$, ... . The spring constants of both the meters are equal. The value of current, at which the deflections of the two meters are same, is ________
asked
Feb 12, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.2k
points)
gate2014ee1
electrodynamometer
ammeter
currentmeasurement
0
votes
0
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3
GATE201516
A $(050 A)$ moving coil ammeter has a voltage drop of $0.1 V$ across its terminals at full scale deflection. The external shunt resistance (in milliohms) needed to extend its range to $(0 – 500 A)$ is _______.
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2015ee1
currentmeasurement
ammeter
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