To operate a given flash lamp requires a charge of 32.2 MC. What capacitance is needed to store this much charge in a capacitor with a potential difference between its plates of 9 V?
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A: Solution:-
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A: Given : Q = 4 µC = 4 x 10-6 C V = 80 V
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Q: When the magnitude of the charge on each plate of an air-filled capacitor is 4 µC, the potential…
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A: Given: Charge,Q=9.6×10-3CCapacitor,C=4×102μF=4×10-4F The work or energy released in the transfer of…
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- Two identical capacitors Ca and Cb each of capacitance 2.70 μF are connected in parallel across a CONSTANT total electric potential difference of 510 V. A dielectric slab of dielectric constant 6.90 can fill Ca and is slowly inserted into that capacitor.What is the change in charge, ΔQa, on Ca when the dielectric is added to Ca?A parallel plate capacitor has a separation of 0.032 m and a potential difference of -64 V. If the potential difference between points A and B is -3.0 V what is the distance between the two points?A capacitor consists of two large flat parallel plates. One plate has surface charge density 4.96 nC/m2 and the other has an equal but opposite surface charge density. The plates are spaced a distance 8.01 cm apart. Give the magnitude of the voltage (difference in electric potential) between the two plates. Answer in units of V.
- A professor connects an 18.0 V battery to a capacitor of unknown capacitance. The result is that 56.2 µC of charge is stored on the capacitor. How much energy (in J) is stored in the capacitor?A capacitor of capacitance 400 µF is charged so that the potential difference between its plates is 5 V. How much charge (in mC) is transferred?A 4.5 nF (4.5 x 10-9 F) parallel-plate capacitor is charged to a 175 V battery. It is then disconnected from the battery and immersed in distilled water. Distilled water has a dielectric constant of (k = 80). What is the energy of the capacitor after its immersion in water?
- A capacitor must hold 549 µC of charge. If you will use 7.32 V to do this, how large of a capacitor do you need, in µF?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?A parallel plate capacitor has metal plates, each of area 1.45 m2, separated by 1.60 mm. What charge (in uC) is stored in this capacitor if a voltage of 2.90 x 103 V is applied to it?
- What charge (in mC) is stored in a 1.60 µF capacitor when 260 V is applied to it?The capacitance of an empty capacitor is 1.2 μF. The capacitor is connected to a 12-V battery and charged up. With the capacitor connected to the battery, a slab of dielectric material is inserted between the plates. As a result, 2.6 × 10–5 C of additional charge flows from one plate, through the battery, and onto the other plate. What is the dielectric constant of the material?A 12 pF capacitor is connected to a 50 V battery. How much electrostatic energy is stored in the capacitor? If another capacitor of 6 pF is connected in series with it with the same battery connected across the combination, find the charge stored and potential difference across each capacitor.