Find the change in capacitance for a movement of 1mm of the movable plate

Posted on 2014-02-21 15:24:00 in Physics by JAGU

An electrostatic voltmeter has two parallel plates. The movable plate is 10cm in diameter. With 10 kv between the plates the pull is 0.005 N. Find the change in capacitance for a movement of 1mm of the movable plate.

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