Question

V=3x+4y. Find F=? on q=2C​

Answer 1

Answer:

10 N

Explanation:

Given :

V ( x , y ) = 3 x + 4 y

We know :

E = - d V / d r

Partially differentiating we get :

E_x =  3

E_y = 4

Now net electric field :

E_net = √ ( 3² + 4² )

E_net = 5 N C⁻¹

We are asked to find Force :

We know :

F = q E_net

F = 5 × 2 N

= > F = 10 N

Therefore , force on 2 C is 10 N.