Why does plastic rod attract paper?

For example, a negatively charged plastic object such as a comb or ruler repels electrons in a piece of paper. The near side of the paper to the plastic object becomes positively charged, so it is attracted to the plastic object.

Why does charged plastic attract paper?

You can observe static electricity if you run a plastic comb through your hair, then place the comb near small pieces of paper. The paper is attracted to the comb. This happens because the charged comb induces an opposite charge in the paper and as opposite charges attract, the paper sticks to the comb.

Why do charged rods attract bits of paper?

The attraction is due to the polarization of the paper by the electric field of the charged rod.

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Why does a plastic rod become negatively charged?

For example, when a plastic rod is rubbed with a duster, electrons are transferred from one material to the other. The material that gains electrons becomes negatively charged. … The duster picks up electrons from the rod. This leaves the rod with a positive overall charge and the duster with a negative overall charge.

Is a plastic rod positive or negative?

If you rub a glass rod with a cloth, the charge produced on the glass rod is called positive, whereas when a plastic rod is rubbed with a cloth, the charge produced on the plastic rod is negative.

Why can you charge a plastic rod by rubbing it with a cloth but the same process will not charge a metal rod?

Explanation: While you can charge a dielectric (non conductive, like plastic) object rubbing, you cannot charge a conductor (like a metal) rubbing. The reason is that in a metal the charges are free to move inside the material. … So you can charge only some material rubbing.

Why is hair attracted to comb during a hot day?

The comb, covered in negatively charged electrons, becomes negatively charged as well, and your hair is left with a positive charge. … If two objects have different charges, they attract (or pull towards) each other.

Why do electrified rods attract?

Answer: When electrified rods are brought near light objects,the rods induce opposite charges on the near surfaces of object as well as on farther side of object. … Thus the electrified road attracts light objects.

How can a charged plastic comb attract neutral pieces of paper?

Objects can get charged when rubbed together with different objects. When you run a plastic comb through your hair, the comb gets charged due to friction – the plastic loses some electrons. Then when you place the comb near small pieces of paper, the paper pieces are attracted to the comb.

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What happens when a plastic rod is rubbed with a cloth?

When a plastic rod is rubbed with a cloth, the plastic rod becomes negatively charged as electrons from the cloth are deposited on the plastic rod.

Why does plastic attract electrons?

Because plastic is an insulator, the electrons cannot flow through it so they effectively get stuck there – they are static.

What would happen if a plastic rod rubbed with fur?

In case of the plastic rod and the fur, the negatively charged electrons from fur move to the plastic rod making it negatively charged and simultaneously leaving the fur with concentration of positively charged particles. So, the correct answer is “Option B”.

What would happen if a plastic rod rubbed with fur is brought near the glass rod rubbed with?

Rubbing a rod with certain materials will cause the rod to become charged. A plastic rod when rubbed with fur becomes negatively charged and a glass rod when rubbed with silk becomes positively charged.

What happens of plastic rod rubbed with wool?

When rubbed with wool, lucite charges positive. … Charging the plastic rod negative by rubbing it with the wool exciter leaves a net positive charge on the wool, so that if you place the rod on a swivel stand, you can then bring the wool exciter close to it and pull it around on the swivel stand.

Why do you think the plastic and the finger are attracted to each other?

As you held the plastic between your fingers, the number of protons and electrons in your fingers and the plastic was the same. Consequently, both your fingers and the plastic were neutrally charged. … The positive skin and the negative plastic attract each other because positive and negative attract.

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What objects are attracted to a plastic rod rubbed with wool?

A (charged) plastic rods rubbed with wool is attracted to an un-rubbed (neutral) plastic rod. A plastic rod rubbed with wood is attracted to the wool, repelled by the silk. No charged (rubbed) object attracts both the charged plastic rod and the charged glass rod.