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Positively charged particle is moving to the east in the presence of an external magnetic field directed toward the south: In what direction is the force on the par...

Question

Positively charged particle is moving to the east in the presence of an external magnetic field directed toward the south: In what direction is the force on the particle?negatively charged particle is moving t0 the north in the presence of an external magnetic field directed upward. In what direction is the force on the particle?negatively charged particle is moving to the north in the presence of an external magnetic field directed to the south: In what direction is the force on the particle?A

positively charged particle is moving to the east in the presence of an external magnetic field directed toward the south: In what direction is the force on the particle? negatively charged particle is moving t0 the north in the presence of an external magnetic field directed upward. In what direction is the force on the particle? negatively charged particle is moving to the north in the presence of an external magnetic field directed to the south: In what direction is the force on the particle? A positively charged particle is moving downward in the presence of an external magnetic field directed to the east In what direction is the force on the particle? negatively charged particle is moving downward and feels a force toward the north: In what direction is the external magnetic field pointing? A positively charged particle is moving to the east and feels a force toward the south: In what direction is the external magnetic field pointing?



Answers

A uniform magnetic field points vertically upward. In what direction should a positive charge move so that it experiences a magnetic force toward the (a) north and (b) east?

Hi. And this given problem, there is a uniform magnetic field which is directed due north. As shown here in this figure. And the positive charge that is allowed to move in this magnetic field from east to west. This is north, this is south, this is east and here this is west. This is the direction of magnetic field. This is the velocity vector for the motion of this charge particle. Here uniform magnetic field is. Do you not? And positive charge is moving. Do vest. So this positive charge will experience a magnetic Lawrence force which is given by F. Is equal to Q. Into we cross B. V. R. Q is the charge over this charged particle, positive charge particle. So using right and screw rule over this cross product of velocity vector with the magnitude of vector. We conclude the direction of we Crosby and hence that of force means F. Will be vertically town world. Or in the context of this page. That is into the plane of paper. Yeah, thank you. Mm.

Have an electron having charged negative E. And it is traveling horizontally from northwest towards southeast regions. We can draw that its velocity is pointing in this direction. Okay? And uh enters in a region of space where earth magnetic field is directed horizontally towards the north. So Earth magnetic field is pointing in this direction. So this is the vector and this is velocity vector. Okay? And this is the angle between them supposed to. So now the magnetic force F vector on a charged particle is given by Q velocity vector. Cross diverted. Okay. And charges here negative. So we can write that minus E. And velocity vector cross the vector. So from the right and rule we can say that the direction of the magnetic force on the negative charge particle which is minus E, electron, it will come out to be involved. Okay. And what that is cross? So the direction of the force it will be in word or cross inward into the plane of paper. So this will be the direction of magnetic force on the charged particle when it enters in a magnetic field which is pointing in the north direction. Okay.

Hi. The given problem, you know this is the direction along north and south and this is along east and west. This is ease. This is the best in this region. There is a magnetic field in a direction work typically down world, this is the magnetic food the bar and the charged particle is moving the works. So yeah, this charge is moving towards south. So the velocity V. Bar being to consider and it is being deflected towards east means it is experiencing a course towards east. No. Using the expression for magnetic Lawrence force experienced by this charged particle means F. Is equal to Q. Into we cross B. And using right hand screw rule for this week, Crosby. Their direction of we gross B should be towards east and deflection in this charge particle is also the worst east. So we can say the charge is positive in nature because if it would have been a negative charge then there should have been a negative sign. Whatever the direction of the Crosby would be there, it must have been reversed for this force, but the forces being applied in the direction of the Crosby is a charge. Q is positive here. Thank you.

In this occasion we have given the magnetic force on the moving positive charge and it is defined by letter F equals two Qv cross vector B. Now it is told that if the velocity of the charge particularly directed particularly apart and magnetic forces directly towards the west, then we have to find the direction of the magnetic field. So we have given the Magnetic force vector that is a factories equals to two into re vector cross be vector. And this is the particle. And this is the direction of the force vector. That is a factor. And we can say that this daughter represents here up to the plane. What? So we can say that direction of a factor is equal to disease direction of we cross B. So we can say if vector B is in north direction, then we are getting we cross B invest. So direction of magnetic field should be in northern action. And this is our answer. So we can say for that option is the correct choice. That is north. Thank you.


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