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Recent questions tagged ammeter
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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 $0.2\: Wb/m^2,$ and ... 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
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9.3k
points)
gate2014ee1
electrodynamometer
ammeter
currentmeasurement
numericalanswers
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2
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
(
9.3k
points)
gate2015ee1
currentmeasurement
ammeter
numericalanswers
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