Question

**There is only one incorrect statement** Which of the following statements about conductors and insulators is...

**There is only one incorrect statement**

Which of the following statements about conductors and insulators is NOT correct?

a-Charges can move freely in insulators.

b-Charges can move freely in conductors.

c-In conductors, one or more of the outer electrons from an atom are no longer bound to the atom.

d-In insulators, all the electrons from an atom are bonded to the atom.

e-Charges in both conductors and insulators can become polarized, i.e., one end has charges of one sign and the other end has charges of opposite sign.

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Answer #1

The incorrect statement is :

a- Charges can move freely in insulators.

The correct statements are:

b-Charges can move freely in conductors.

c-In conductors, one or more of the outer electrons from an atom are no longer bound to the atom:

(These electrons are called "free electrons")

d-In insulators, all the electrons from an atom are bonded to the atom.

(No free electrons in insulators, hence no electric conductivity in insulators)

e-Charges in both conductors and insulators can become polarized, i.e., one end has charges of one sign and the other end has charges of opposite sign.

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