The amount of charge on the plates of a 300 x 10-6 F capacitor which is connected to a 12.0 V source potential is?
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The amount of charge on the plates of a 300 x 10-6 F capacitor which is connected to a 12.0 V source potential is?
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- When capacitor A holds a charge of 50C, the potential difference between its plates is 25 volts. When capacitor B holds a charge of 5 C, the potential difference between its plates is 0.1 volts. Which capacitor has the greatest capacitance?Two parallel-plate capacitors, 5.2 uF each, are connected in series to a 11 V battery. One of the capacitors is then squeezed so that its plate separation is halved. Because of the squeezing, (a) how much additional charge is transferred to the capacitors by the battery and (b) what is the increase in the sum of the charges: the charge on the positive plate of one capacitor plus the charge on the positive plate of the other capacitor? Give your answers in Coulombs.Two parallel-plate capacitors have the same charge Q, but the area of the plates in capacitor 1 is 2.0cm2 and the area of the plates in capacitor 2 is 4.0cm2. If the spacing between the plates in capacitor 1 is 1.0mm , what should the spacing between the plates in capacitor 2 be to make the capacitance of the two capacitors equal? 0.5mm 1.0mm 2.0mm 4.0mm
- To operate a given flash lamp requires a charge of 38 mC. Whatcapacitance is needed to store this much charge in a capacitor witha potential difference between its plates of 9.0 V?A fully charged parallel plate capacitor has a dielectric between its plates. If the dielectric material is removed, the potential difference across the plates increases by 35 %. What is the dielectric constant of the dielectric? Assume that the capacitor is not connected to a source potential after being fully charged.A paper-filled capacitor is charged to a potential difference of Vo = 2.1 V. The dielectric constant of paper is K = 3.7. The capacitor is then disconnected from the charging circuit and the paper filling is withdrawn, allowing air to fill the gap between the plates. Find the new potential difference V of the capacitor. Vị = V While the capacitor is disconnected from the charging circuit, an unknown substance is inserted between the plates. The plates then attain a potential difference that is 0.47 times the original potential difference Vo (when paper filled the capacitor). What is this unknown substance's dielectric constant K? Ku =