A parallel plate capacitor has a plate separation of $0.01\, mm$ and use a dielectric (whose dielectric strength is $19\, KV/mm$) as an insulator. The maximum potential difference that can be applied to the terminals of the capacitor is......$V$
A$190$
B$290$
C$95$
D$350$
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A$190$
a (a) Maximum potential difference
$ = 19\,\frac{{kV}}{{mm}} \times 0.01\,mm = 0.19\,kV = 190\,V$
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