For multiple choice questions, circle clearly the answer. For problems, enclose
ID: 1518702 • Letter: F
Question
For multiple choice questions, circle clearly the answer. For problems, enclose your final answer in a box. and show your work including formulas used for partial credit. Please write legibly. Some useful constants: k = 8.99 times 10^9 N m^2/C^2. epsilon_0=8.85 times 10^-12 C2/Nm^2, mu_0 =4pi times 10^-7 T m/A. A beam of electrons moving from left to right enters a magnetic field region as shown. What path will the electrons follow? Two particles of the same mass and the same speed enter a magnetic field and follow the paths shown. We conclude that: has a larger charge has a larger charge the charges are the same the charges are opposite none of the above A proton enters a uniform magnetic field B. The initial angle between the velocity and the magnetic field is 15 degree. What statement about the motion is most accurate? the kinetic energy is conserved the momentum is conserved the path is a straight line both the velocity and the speed will change the acceleration is constant A solenoid inductor is constructed by evenly winding a thin wire over a cylindrical ceramic core. Its inductance is not affected by. the number of turns the number of winding layers the replacement of an iron core in place of ceramic core the length of the solenoid the current through it Two parallel wires carry currents in the same direction. The force between the wires is: attractive since one is in the magnetic field of the other repulsive since one is in the magnetic field of the other attractive since opposite charges attract each other repulsive since like charges repel each other zero Imagine a rigid rectangular loop running along the sides of the paper, and a uniform magnetic field pointing the right in the plane of the paper. With a counterclockwise current in the loop, the net magnetic force on the loop is: to the left to the right up down zero Same setup as above The torque on the loop v turn the left side up and right side down turn the left side down and right side up turn the top side up and the bottom side down turn the top side down and the bottom side up be zero, i.e., the loop will not turn A proton moving to the right enters a region of a uniform magnetic field 8 into the page, and a cross electric field The proton is not deflected. The direction of E is: upward downward leftward rightward out of the page Two long parallel wires carry currents of same magnitude i. and the magnitude of the force between the wires is F. If both these currents are doubled at the same wire separation, the new force will: increase to 4F increase to 2F decrease to 1/2 F decrease to %1/4 F remain unchanged Three Amperian loops (ccw) are drawn among the currents of equal magnitude. Rank the loops according to the magnitude of B middot ds along each, greatest first 1.2. 3 B 3. 2. 1 1=2=3 1=3,2 1=2.3 1Explanation / Answer
1)
electron will follow circular path
So Answer can be B or D
force on electron will be upward
So, It has to B
Answer: B
2)
r = m*v/q*B
m,v and B are same for both
So smaller the charge, greater will be the radius
2 must have larger charge
Answer: B
3)
force will act on it . So its speed and velocity will change
Answer: D
4)
inductance = miu*N^2*A/L
It doesn't depends on current
Answer: E
I am allowed to answer only 1 question and maximum of 4 subparts.
please ask other as different question
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