Ch 26

Question 1

What is the capistance law?

Answer 1

C=Q/total v

Question 2

What is the parallel plate capacitor law?

Answer 2

C= absl note A/d

Question 3

What is the cylindrical capacitor

Answer 3

L/2k Ln(rb/ra)

Question 4

What is the spherical capacitor

Answer 4

C= 1/k* ra rb/rb-ra

Question 5

To find Q in a parallel plate

Answer 5

Q=cv

Question 6

To find E in a parallel plate

Answer 6

E=v/d

Question 7

To find potential difference between sphere and charge capacitor?

Answer 7

Dalta v= Q/C

Question 8

To find the potential difference between two points in a uniform electric field?

Answer 8

E=dalta v/d

Question 9

The electric field between the capacitor plates?

Answer 9

Segma= absl note E

Question 10

To find capacitor in a parallel plates?

Answer 10

C= absl note A/d

Question 11

To find the charge on each plate?

Answer 11

Q=C daltav

Question 12

To find the energy density in a capacitor?

Answer 12

Ue=1/2 absl note E square

Question 13

Capacitor in parallel?

Answer 13

C eq= c1+c2+c3….
Dalta V= dalta V2= dalta V3..

Question 14

Capacitor in series?

Answer 14

1/ceq= 1/c1+1\c2…
Dalta v=v1+v2
Qea=Q1=Q2=Q3..

Question 15

What is the law of a dielectric material?

Answer 15

Absl = k absl note

Question 16

Find the energy stored before and after the dielectric is inverted?

Answer 16

Before U note= Q note square/2C note
After U= U note/ k