Search for notes by fellow students, in your own course and all over the country.

Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.

My Basket

You have nothing in your shopping cart yet.

Title: 12th cbse important notes
Description: it will help you for your final exams..

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above


Short Answer type questions
1) What is the dimension formula for

1
4πε 0

?

ML3T −4 A −2
3 −2 −2
b) ML T A
2 −4 −2
c) ML T A
3 −1 −2
d) ML T A
a)

Ans (a)

2
...
X and Y repel each other And X attracts Z
...
On going away from point charge ,the electric field due to charge decreases
...
Does the electric field decreases at the same rate?
a) Yes
b) No
Ans (b)
The field due to electric charge decrease more rapidly as
Electric Field for electric dipole



1
r3

Electric Field due to charge



1
r2

4
Title: 12th cbse important notes
Description: it will help you for your final exams..