The distance between the boards of a parallel plate capacitor with a surface of each plate of 0.05 m2 is 0.10 mm. When the plate is filled with mica and a potential difference of 300 V is applied to the capacitor, the energy stored in the capacitor is 20.10-4 J. What is mica's dielectric constant?

The distance between the boards of a parallel plate capacitor with a surface of each plate...
A parallel plate capacitor is made of plates of area 0.05 m? each. The plates are separated by a distance of 0.200 mm. Initially, the space between the plates is filled with air. (a) What is the capacitance of this air-filled capacitor? (b) If the electric field inside the capacitor exceeds 3.00 x 106 V/m, the air undergoes electrical break- down. (This maximum field is known as the dielectric strength of air.) From this, calculate the maxi- mum voltage (potential...
A parallel plate capacitor is constructed with plate area of 0.40 m2 and a plate separation of 0.10 mm. How much charge is stored on it when it is charged to a potential difference of 12 V? A parallel-plate capacitor is filled with air, and the plates are separated by 0.050 mm. If the capacitance is 17.3 pF, what is the plate area? A parallel plate capacitor is constructed with plate area of 0.0010 m2 and a plate separation of...
A parallel plate capacitor is constructed with plate area of 0.80 m2 and a plate separation of 0.10 mm. When it is charged to a potential difference of 12 V, the charge stored on it is = micro C. A parallel plate capacitor is constructed with plate area of 0.40 m2 and a plate separation of 0.10 mm. When it is charged to a potential difference of 12 V, the charge stored on it is= micro C. A parallel-plate capacitor...
The two plates of a parallel-plate capacitor each have an area of 2.09 × 10-2 m2. The separation between the plates is 0.124 mm and the space between the plates is filled with a material with a dielectric constant of 4.45. (a) What is the capacitance of this capacitor? (b) If the plates are connected to the terminals of a battery so that the magnitude of the potential difference between the plates is 8.13 V, what is the magnitude of...
The two plates of a parallel-plate capacitor each have an area of 2.25 × 10-2 m2. The separation between the plates is 0.164 mm and the space between the plates is filled with a material with a dielectric constant of 4.10. (a) What is the capacitance of this capacitor? (b) If the plates are connected to the terminals of a battery so that the magnitude of the potential difference between the plates is 7.90 V, what is the magnitude of...
A parallel-plate capacitor is constructed with circular plates of radius 0.056 m. The plates are separated by a distance of 0.25 mm, and the space between the plates is filled with a dielectric with dielectric constant κ. When the capacitor is charged to 1.2 µC, the potential difference between the plates is 750 V. What is the value of κ?
The plates of an air-filled parallel-plate capacitor with a plate area of 16.5 cm2 and a separation of 8.80 mm are charged to a 130-V potential difference. After the plates are disconnected from the source, a porcelain dielectric with κ = 6.5 is inserted between the plates of the capacitor. (a) What is the charge on the capacitor before and after the dielectric is inserted? Qi = ___C Qf = ____C (b) What is the capacitance of the capacitor after...
Which of the following would increase the capacitance of a parallel-plate capacitor? I. Insert a dielectric between the plates. II. Increase the surface area of each plate. III. Increase the separation distance between the plates. O I and II only OII and III only All of the above. A capacitor is charged with a battery to a voltage V and then disconnected from the battery. A dielectric is inserted between the plates. When the dielectric is inserted, what happens to...
A parallel plate, air filled capacitor, has plates of area 0.81 m2 and a separation of 0.050 mm. (a) Find the capacitance in nF (b) If a voltage of 25 volts is applied to the capacitor, what is the magnitude of the charge on each plate in µC? (c) What is the energy stored in the capacitor in µJ? Now the plates are filled with water having a dielectric constant of 78.5. (d) What is the energy stored in the...
A parallel plate capacitor has square plates with sides of length 11 cm. The distance between the plates is 2 mm. The plates are charged up to 20volts. Part A What is the electric field between the plates? Express your answer using three significant figures. Electric field = N/C Part B What is the amount of charge on each plate? charge = C Part C What is the capacitance? Capacitance = μF Part D What is the energy stored by...