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Example: Calculate capacitance or capacitor size: calculate charge & power example.
This example is to calculate capacitance of square plate capacitor with dielectric constant 3.7.

In main menu, click Popular services>Semiconductor,  then click Capacitance calculator.  Then choose plate square as plate shape from the list, give dielectric constant 3.7. Click next step button to calculation page.

Figure 1. Setup capacitance calculation.

 The user gives length 0.1cm, thickness 1E-6 cm of the capacitor plate.  Click calculation button to get the value(s) of capacitance. the bottom of figure 2 shows the input that leads to results shown.

Figure 2. Calculate capacitance.

The user can calculate size of capacitor. The following figure 3 shows the input for the case in which the desired capacitance is 3.276E-9 F and length is 0.1cm. Click calculate button can lead to thickness 1E-6cm.  Following this example, the user may calculate length by giving capacitance and thickness.

Figure 3. Calculate thickness of capacitor.