A 0.25 uf capacitor is charged to 9.0 v battery

Asked by admin @ 01/12/2021 in Physics viewed by 290 People

A .30uf capacitor is connected to 9.0v battery what is the charge on the playe of the compacitor

Answered by admin @ 01/12/2021

The relationship between the capacitance, the charge on the capacitor and the potential difference applied across its plates is
$C= \frac{Q}{V}$
where C is the capacitance, Q is the charge and V is the potential difference.

In our problem, $C=0.30 \mu F$ and $V=9.0 V$ , so if we re-arrange the previous formula we can find the charge stored in the capacitor:
$Q=CV=(0.30 \mu F)(9.0 V)=2.7 \mu C$

A parallel-plate capacitor is charged by a 20.0 v battery, then the battery is removed.

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