Question: Does the same attraction takes place when your hair is wet?

If the hair is wet, or if it is a rainy day, the friction between the hair and comb reduces. The comb does not get charged and hence it will not attract the bits of paper.

Why does a comb run through wet hair not attract bits of paper?

Comb gets electrically charged by friction. … But when the comb runs through wet hair no electric charge is produced because friction between hair and comb is reduced. Due to absence of electric charge in comb it cannot polarize small bits of paper. Hence comb cannot attract small bits of paper.

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Does the attraction between the comb and the piece of papers last for longer period of time?

Does the attraction between the comb and the piece of papers last for longer period of time? No, because the comb loses its net charge after some time. The exess charge of the comb transfers to earth through our body after some time.

Why is hair attracted to comb on a hot day?

When a comb is run through your hair charges pass between your hair and the comb, so the comb becomes charged either positively or negatively, and the hair oppositely charged. When the comb is brought close to paper an opposite charge is induced in the paper, and the opposite charges attract.

When a plastic comb is rubbed with dry hair it attracts small pieces of paper demonstrate this experiment?

When a comb rubhed with dry hair attracts pieces of paper. This is because the comb induces a net dipole moment opposite to the direction of field. This happens the field due to charge on comb induces dipole moment in paper by tretching or re-orienting molecules of the dielectric.

What happens if the hair is wet or if it is a rainy day?

If the hair is wet, or if it is a rainy day, the friction between the hair and comb reduces. The comb does not get charged and hence it will not attract the bits of paper.

What happens when you comb your dry hair?

When the comb is rubbed with dry hair, it gets charged because of friction with hair. … The attraction of paper towards the comb will be due to the electric force of interaction.

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Why does your hair stand after taking your hat off?

As you remove your hat, electrons are transferred from hat to hair, creating that interesting hairdo! Remember, objects with the same charge repel each other. Because they have the same charge, your hair will stand on end. Your hairs are simply trying to get as far away from each other as possible!

What force exists between an uncharged object and a charged object?

The electric force is a non-contact force. Any charged object can exert this force upon other objects – both charged and uncharged objects. One goal of this unit of The Physics Classroom is to understand the nature of the electric force.

What force is brushing your hair?

Electrostatic force is the force exerted by a charged body on another charged or uncharged body. Eg: Take a comb and brush it on a hair 3-4 times and then take it near some small bits of paper.

What happens when you rubbed the balloon on your hair?

Rubbing the balloon onto your hair or onto the wool fabric adds electrons to the balloon and causes the balloon to become negatively charged. … Your positively charged hair is attracted to the negatively charged balloon and starts to rise up to meet it.

Is rubbing a balloon on your hair conduction?

When you rub a balloon on your head, electrons move from the atoms and molecules in your hair onto the balloon. Electrons have a negative charge, so the balloon becomes negatively charged, and your hair is left with a positive charge.

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When we comb our dry hair the hair attracts to comb the force involved in this is?

Now the friction force is a type of contact force which arises due to interaction between two objects. It comes under the category of electromagnetic fundamental force. This is responsible for charging the comb too.

What happens when a comb rubbed against hair and is brought near the small pieces of paper?

Your hair must become positively charged in order to repel a negative charge. … If you bring a charged comb near tiny pieces of paper, the pieces will first be attracted to the comb, but after touching they will fly away.

What happens when a plastic pen is rubbed vigorously on the hair?

(i) When we rub a plastic object like a pen or a comb with hair, it gets electrically charged. When such an object is brought close to tiny bits of paper, the bits of paper get attracted to the object. This is due to electrostatic force.