A permanent magnet moving coil instrument has a coil of 45 turns wound on a conductor with an effective length of 35 mm and a width of 15 mm. The coil moves in a uniform magnetic field of 2.5 T. The control spring constant is 97.4×10 Nm/radian. The current required to produce a deflection of 110° in the instrument is 3.37 mA 3.17 MA 3.27 mA 3.07 mA

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A permanent magnet moving coil instrument has a
coil of 45 turns wound on a conductor with an
effective length of 35 mm and a width of 15 mm.
The coil moves in a uniform magnetic field of 2.5 T.
The control spring constant is 97.4×10 Nm/radian. The current
required to produce a deflection of 110° in the
instrument is
3.37 mA
3.17 MA
3.27 mA
3.07 mA
Transcribed Image Text:A permanent magnet moving coil instrument has a coil of 45 turns wound on a conductor with an effective length of 35 mm and a width of 15 mm. The coil moves in a uniform magnetic field of 2.5 T. The control spring constant is 97.4×10 Nm/radian. The current required to produce a deflection of 110° in the instrument is 3.37 mA 3.17 MA 3.27 mA 3.07 mA
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