### Magnetic Force and Particle Dynamics#### Question 1:In vacuum, magnetic force on a moving charged particle provides an acceleration to the particle. Thus, it also changes the kinetic energy of the particle.- ○ True- ● False#### Question 2:The direction of magnetic force is perpendicular both to the velocity of the particle and to the magnetic field.- ● True- ○ False#### Question 3:The net magnetic force acting on any closed current-carrying loop in a uniform magnetic field is zero.- ● True- ○ False#### Question 4:All electric field lines are continuous and always form closed loops.- ○ True- ● FalseThis educational quiz addresses fundamental concepts in electromagnetism, focusing on the behavior of magnetic forces and electric field lines. Each question is designed to test the understanding of how magnetic forces interact with charged particles and current-carrying loops.

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Answered: In vacuum, magnetic force on a moving…

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Please help with parts B and C
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A charged particle is moving in a magnetic field, B, with speed v. Assume the value of the charge is e and its mass is m. Which one of the following equations best describes the motion of the charge in circular path using newton's 2nd law? А. eBv = mv В mv В. ев V С. B В — та %3D D. ту? B = r В O D X X
Determine the magnitude and direction of the force on an electron traveling 8.38x10° m/s horizontally to the east in a vertically upward magnetic field of strength 0.55 T. Express your answer using two significant figures. F = N Part B O The force is directed to the north. O The force is directed to the east. O The force is directed to the west O The force is directed to the south.
I Review Part C A0.32 µC particle moves with a speed of 18 m/s through a region where the magnetic field has a strength of 0.99 T. You may want to review (Pages 773 - 777). At what angle to the field is the particle moving if the force exerted on it is 1.0 x 10-'N? Express your answer using two significant figures. | O You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer
Consider two parallel wires carrying current in the same direction. Which one of the following statements is true concerning this situation? O The two wires will repel each other, even no external magnetic field is applied to the wires. O The two wires will repel each other, only if an external magnetic field is applied to the wires. O The two wires will attract each other, even if no external magnetic field is applied to the wires. O The two wires will attract each other, only if an external magnetic field is applied to the wires. The wires will be neither attracted nor repelled from each other regardless of whether or not an external magnetic field is applied to the wires.
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