How does a charged particle move in a magnetic field?
A charged particle experiences a force when moving through a magnetic field. Since the magnetic force is perpendicular to the direction of travel, a charged particle follows a curved path in a magnetic field. The particle continues to follow this curved path until it forms a complete circle.
Why doesn’t a magnetic field do work?
Magnetic fields do no work by definition; since the force due to a magnetic field is orthogonally directed to the motion of a particle, it can only change the direction of motion, but not change the magnitude of the motion.
Does a magnetic field do work on a particle?
An electric field may do work on a charged particle, while a magnetic field does no work. The Lorentz force is the combination of the electric and magnetic force, which are often considered together for practical applications.
Will bits of paper be attracted to a charged rod?
Q13 Will bits of paper be attracted to a charged rod even if they have no net charge? Yes. The bits of paper become polarized because the atoms in the paper have formed dipoles. The side close to the charged rod has the opposite charge as the rod, thus is attracted to the rod.
Why does a comb rubbed on hair attract pieces of paper?
ANSWER: The paper is initially attracted to the comb because the comb causes separation of charge in the paper. The part of the paper pieces with positive charge is attracted to the comb. When the paper touches the comb, some of the excess negative charge in the comb is transferred to the paper.
What happens to a comb to make it attract hairs?
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 …