Question

the electric field at a point give to 1 coulbm of electric charge is
​

Answer 1

Answer:

Electric field of a point charge,

E=

4πε

0

1

r

2

q

=24NC

−1

Electric potential of a point charge

V=

4πε

0

1

r

q

=12JC

−1

The distance PQ is

r=

E

V

=

24

12

=0.5m

∴ Magnitude of charge

q

′

=4πε

0

V

r

=

9×10

9

1

×12×0.5=0.667×10

−9

C=10

−9

C

Answer 2

Answer:

We can find the electric field created by a point charge by using the equation E=kQr2 E = k Q r 2 .