Question

Which among the following statements is CORRECT?

A.Conductors are materials in which electric charges do not move freely.

B.The electric field is zero everywhere inside a conductor.

C. Electric force and electric field are identical to each other.

D.Like charges attract one another and unlike charges repel one another.

Answer 1

Option A is wrong.

Materials in which electrons can move freely are Conductors.

Option B is Correct.

Electric field inside a conductor is zero.

Electric field is given by, E = k*Q/R^2

Now in conductors total charge Q will be on the surface, So inside the conductor, Q = 0

which means E = 0 N/C

Option C is wrong

Relation between Electric force and Electric field is given by:

Fe = q*E

Fe = electric force

q = charge in electric field

E = Electric field

So we can see that they are not identical to each other.

Option D is wrong.

like charges repel one another and unlike charges attract one another

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