Thursday, November 25, 2010

1. Electrostatics PART I

1 

Define Coulomb on the basis of Coulomb' s law 

2 

Why is it safer to be inside a car than standing under a tree during lightning? 

3 

State Gauss law in electrostatics? 

4 

What is meant by electric polarisation?

5 

Define electric potential at a point 

6 

What is a polar molecule? Given any two examples 

7  

State Coulomb' s law in electrostatics 

8 

What is Corona discharge? What are its advantages?

9

Writer the application of capacitor

10

What do you mean by 'Additive nature of charge'? Given an example

11

Three capacitors each of capacitance 9 Pf are connected in series. What

is the total capacitance of the combination ?

12

What is electrostaic shielding?

13

Define electric flux. Give its unit

14

Explain the working of a microwave oven

15

What is capacitor? Define its capacitance.

  

1 comment: