Derive the capacitance for a parallel CIRCULAR plate capacitor d distance apart.

distance between plate is o 6 Mm and the dielectric 3.The capacitor having a plate area of o.lm the air.w hich of the fallowing is the capacitance of capacitor.

A certain parallel-plate capacitor consists of two plates, each with area 200 cm2, separated by a 0.4 cm air gap. If the capacitor is connected across a 400-V source. Draw the diagram a. Determine the energy stored on it. b. Determine the energy stored if there is a dielectric material with constant of 2.5 inserted between the plates.

Determine the capacitance of the capacitor shown in the figure. Suppose that d = 0.02 m, the area of metal plates is 2 m^2, K1 = 1, K2 = 2 and K3 = 3.

For the previous question, estimate the capacitance per unit length (pF).

Find / Derive the equation for the capacitance of a spherical capacitor, consisting a spherical conducting shell of radius "b" and charge - Q concentric with a smaller conducting sphere of radius "a" and charge Q. Draw the figure.

The capacitance of a parallel-plate capacitor is 56 μF when the dielectric material is in place. The capacitance drops to 32 μF when the dielectric material is removed. Calculate the dielectric constant &, of the material.

Consider the circuit shown in the figure. The circuit is kept running for a very long time. If I = 0.75A, then calculate the final charge (in uC) on the capacitor? 15V 100 3. 30 2000 10uF

Q14

If below figure represent the cross section of a spherical capacitor, determine its capacitance in pF. r,=2 mm, r2=4.6 mm, r3=8.7 mm, &1=3.9, ɛ2=8 and Vo = 8.2 V. E,=1/36Tt 10-9 F/m Er2 Er1 r1 Vo r2 r3 Tolerance + 0.1 relative Answer: