Estimate the flux density in the gap

Posted on 2014-02-21 14:06:00 in Physics by SCHERING BRIDGE

A moving coil voltmeter gives full seale deflection with a current of 50m A. The coil has 100 turns effective depth of 3 cm ans width of 2.5cm. The controlling torque of the spring is 0.5 gm-cm for full scale deflection. Estimate the flux density in the gap.

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