Question

FIRST TERMINAL EXAMINATION
Time :1hr
PHYSICS
Marks:25
1
1. How many electrons in 1C of charge
2. a) State and prove gauss's law in electrostatics
2
b) using this law derive an expression for the intensity of electric field due to a uniformly
charged long straight conductor
3
3.Two equal and opposite charge + and -q are separated by a small distance 2a
a) name this arrangement
1
b) define its moment, what is its direction
c)The above system of two charges is placed in an external uniform electric field E. at an
angle of 0 with it. Obtain a relation for torque acting on it
2.
4.An infinite straight conductor produces an electric field of 9x10' N/C at a distance of 2cm.
calculate the linear charge density.
3.
1
5. a) What is the unit of capacitance
hi derive the equation for energy stored in a capacitor
3​

Answer 1

Answer:

3 is not

Explanation:

5 2 i mean it is help you