If the amount of negative charge of an object is balanced by the amount of posit

Question

If the amount of negative charge of an object is balanced by the amount of positive charge we can say the object is electrically neutral.

True

False

Under electrostatic conditions the electric charges may move relative to each other.

True

False

In an insulator the atomic electrons can move freely.

True

False

In the atom we find particles called neutrons. They are electrically neutral because their net charge is zero.

True

False

If two electrons are placed very near each other they will feel a strong repulsive force.

True

False

If a negatively charged rod is brought close to (but not touching) an initially neutral object, the object becomes polarized and has ___________ charge.

A device used by Charles Coulomb to measure the presence or absence of electric charge is called a(n)

A typical, neutrally charged atom has

just as many electrons as protons.

no neutrons in the nucleus.

more protons than electrons.

as many electrons as protons and neutrons combined.

at least 1 neutron

just as many electrons as protons.

no neutrons in the nucleus.

more protons than electrons.

as many electrons as protons and neutrons combined.

at least 1 neutron

Explanation / Answer

(i) True (Balanced means zero charged)

(ii) True

(iii) False (In insulators electrons cannot move freely)

(iv) True (Neutrons have no charge)

(v) True (Similar type of charges repel each other)

(vi) Positive charge

(vii) Ammeter (this is used to measure the current)

(viii) Neutrally charged atom has just as many electrons as protons.

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