Asource charge generates an electric field of 4286 n/c at a distance of 2.5 m. what is the magnitude of the source charge?

1.2 µc
3.0 µc
1.2 c
3.0 c

Answer : Charge,

Explanation :

It is given that :

Electric field,

Distance,

We know that the electric field at any point is given by :

k is the electrostatic constant.

q is the electric charge

r is the distance.

or

The correct option is (b).

Hence, this is the required solution.

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.