Question

A point charge a produces an electric field of magnitude 2 NC at a point distance 0.25 m from it. What is the value of charge?
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Answer 1

Answer:

Correct option is

D

13.9×10

−12

C

electric field,

E=

4πε

o

1

r

2

q

given,E=2Nc

−1

r=0.25m

so,q=E×4πε

o

×r

2

=2×

9×10

9

1

×(0.25)

2

q=0.01388×10

−9

=13.9×10

−12

Answer 2

Answer:

answer is a magnitude A point charge a produces an electric field of magnitude 2 NC at a point distance 0.25 m from it. What is the value of charge?