Question

What is the strength of the electric field 0.020 m from a 12 uc charge?

Answer 1

Answer:

Option B is correct.

Explanation:

Given the charge, Q = 12uC

Now convert the uC into C = 5*10^-6 C

Given, d = 0.020 m

Now use the below formula:

E = K*Q/d^2

Now insert all the values in the above formula and then solve.

E = (9 ×10^9) × (12×10^-6) / (0.020)^2

E  = 2.7 ×10^8 N/C

Therefore option B is correct.