Biomedical Engineering > GATE 2020 > Measurement and Instrumentation
In a permanent magnetic moving coil (PMMC) instrument having following specifications, the angular deflection of the pointer for a coil current of 100 μA will be _______ degrees (rounded off to one decimal place).
Magnetic flux density = 1.5 Tesla,
Torsional spring constant = 2 × 10⁻⁶ Nm/deg,
Cross sectional area of the coil = 2.5 cm²,
Number of turns of the coil = 500
Magnetic flux density = 1.5 Tesla,
Torsional spring constant = 2 × 10⁻⁶ Nm/deg,
Cross sectional area of the coil = 2.5 cm²,
Number of turns of the coil = 500
Correct : 9.0 to 9.6
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