How does a charged ruler attracts small pieces of paper?

When the negatively charged ruler is brought near to the paper pieces, they are attracted to the ruler as the the electrons move around on the paper because of the large charge on the ruler. Electrons will move away from the ruler leaving a positive charge on the paper near the ruler, so they are attracted.

When a charged ruler attracts small pieces of paper Sometimes a piece jumps quickly away after touching the ruler Why?

The positive charge is nearer to the negatively charged ruler than the negative charge in the paper is, due to the negative charge in the ruler “pushing away” the negative charge in the paper. The Coulomb force is therefore attractive and causes the small pieces of paper to be attracted by the ruler.

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Why is paper attracted to a charged comb?

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.

What is the effect of charge on small bits of paper?

The electrically charged glass rod exerts a force on the tiny pieces of paper and hence attracts them. A glass rod rubbed with silk acquires the ability to attract small, uncharged pieces of paper. The process of giving electric charge to an object is called charging the object.

How can a negatively charged comb attract small pieces of paper?

Basically, when an electrification takes place, electrons are not created but they are transferred….. in the case of comb attracting tiny tiny bits of papers when rubbed with dry hair is because electrons from the dry hair gets transferred to the comb and now the comb induces a dipole in the bitties of paper and the …

Which force is responsible for the attraction between a tiny bits of paper and a recently rubbed plastic comb?

When the charged comb is brought near bits of paper, the electrostatic force of attraction between the atoms of the paper and the comb caused by the electrons on the surface of the comb polarizes them which attracts the pieces of paper towards the comb.

What is alike about charges when we say two like charges?

What is alike about charges when we say “two like charges”? They react the same way when brought in the vicinity of a 3rd charge. They exert repulsive forces on each other. When you take clothes out of the dryer right after it stops, the clothes stick to your hands and arms.

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Why does a ruler attract pieces of paper?

When the negatively charged ruler is brought near to the paper pieces, they are attracted to the ruler as the the electrons move around on the paper because of the large charge on the ruler. Electrons will move away from the ruler leaving a positive charge on the paper near the ruler, so they are attracted.

Is paper positively or negatively charged?

The bits of paper are electrically neutral, but when you bring the rod close to them, even though paper is not a conductor, that is, the charges within it are not free to move about as a current, the negative charges have enough mobility that they are repelled by the rod.

Why can a charged plastic ruler attract one a4 paper?

Shifting electric charges

The surface of the plastic ruler gets coated with the electrons rubbed off the atoms in the wool. … You can detect this overall negative charge on the atoms by the way the comb attracts the hairs on your hand or the way it attracts small pieces of paper.

When a charged comb is brought near a small piece of paper it attracts the piece does the paper become charged?

Solution 1

When a charged comb is brought near the pieces of paper then an opposite charge is induced on the near end of the pieces of paper so the charged comb attracts the opposite charge on the near end of paper and similar on the farther end. The net charge on the paper remains zero.

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When the ruler and the wool are rubbed together the ruler gains electrons?

– Since the ruler repels the two balloons, it must be negatively charged. – By rubbing the ruler with the wool cloth, the ruler gained electrons. – The wool cloth has transferred electrons to the ruler. – Then the wool cloth lost electrons and became positively charged.

How does an uncharged object become negatively charged?

A neutral object can become negatively charged when electrons get transferred from another object (see Figure 1). … During the transfer, 2 electrons move from the rod to the sphere because the electrons are repulsed from each other and want to spread out.

How Electric forces and electric fields interact in pieces of paper attracted by comb?

A comb is charged with static electricity by combing hair. In turn, the charged comb attracts pieces of paper. … Thus, the attractive force on the paper molecules’ nuclei (which are closer) is stronger than the repulsive force on the paper molecule’s electrons (which are farther).

Is a comb positively or negatively charged?

An atom usually has the same number of protons and electrons, but sometimes electrons can be moved away from their atoms. … The comb, covered in negatively charged electrons, becomes negatively charged as well, and your hair is left with a positive charge.