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In LVDT the secondary coils are energized with sine wave oscillator.

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In LVDT the secondary coils are energized with sine wave oscillator.

(a) True

(b) False

This question was addressed to me in an online interview.

I'd like to ask this question from Displacement, Position and Motion Transducers in chapter Physiological Transducers of Biomedical Instrumentation

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The correct option is (b) False

To explain: The center coil is the energizing or primary coil connected to a sine wave oscillator. The secondary coils so connected that their outputs are equal in magnitude but opposite in phase. LVDT works on the principle of variable inductance.

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