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An parallel-plate capacitor has plates of area A =2.8 m2 separated by d =4.00 pm {micrometer}. The capacitor is connected to a batten,i with voltage V=21V. Find the charge (unit in #0) on the capacitor if the plates is lled with dielectric material {dielectric constant K=4.85} An air-filled parallel-plate capacitor has plates of area A =3.8 m separated by d =2.1 um (micrometer). The capacitor is connected to a battery with voltage V=4.2V (Volt). Find the electric energy stored in the capacitor (unit must be in microjoule, JJ ).Three capacitors are connected to a DC battery (with an electric potential difference of V between a and b) as shown in Figure. IGiven: ClipF) C2 {HF } C3 {HF } ViVolt} Find the equivalent capacitance of the circuit (unit in HF). Three capacitors are connected to a DC battery (with an electric potential difference of V between a and b} as shown in Figure. Given: | | | Find the charge (unit in #0} on the C1 capacitor