(A) 346.6 (B) 582.2 (C) 03: A proton is moving in the positive y-direction in a region where the magnetic field is in the positive z- direction, what is the direction of the magnetic force? (A)-& (B) +î (C) + k (D)--t 301 IC ATE

(A) 346.6 (B) 582.2 (C) 03: A proton is moving in the positive y-direction in a region where the magnetic field is in the positive z- direction, what is the direction of the magnetic force? (A)-& (B) +î (C) + k (D)--t 301 IC ATE

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter19: Magnetism

Section: Chapter Questions

Problem 20P: A proton (charge +e, mass mp), a deuteron (charge +e, mass 2mp), and an alpha particle (charge +2e,...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

Physics, pleaseeeeeeeee solve question 3

21: An electron has a velocity of 6x106 m/s in the positive x direction at a point where the magnetic field h
he components Bx= 3T, By=2.5T. What is the magnitude magnetic force acting on the electron, in 10-12 N
A) 2.88
(B) 2.40
(C) 1.44
(D) 1.92
Q2: A charged 12mFcapacitor is discharged through a 55kn resistor, when will the capacitor and the
resistor have the same potential? in seconds:
A) 346.6
(B) 582.2
(C) 249.5
(D) 457.5
Q3: A proton is moving in the positive y-direction in a region where the magnetic field is in the positive z-
direction, what is the direction of the magnetic force?
(A)-k
(B) +i
(C) + k
(D)--
Q4: Find the current
R = 20?
passes through the battery, AV = 20V, If
m
AV
2R
2
2
www
ww
R
R
(A) 2.14
(B) 2.86
(C) 4.29
(D) 3.57
Q5: A charged insulating sphere has charge q and radius R. The magnitude of the electric field at the point
where r > R is equal to?
kqR
pr
kqr³
(A) 20
(B)
(D) R
06: A very long wire has a uniform charge density, λ = 7nC/m. Determine the magnitude of the electric field
at point 10 cm from it, in N/C?
(C) 1260
(B) 1440
(D) 1080
(A) 900
Q7: A proton starts moving from rest in a region of uniform electric field (E = 7 x 104 N/C). What is the
displacement of the proton after 1.5 μs, in m?
(C) 8.6
(D) 5.4
(B) 6.5
(A) 7.5
d
+Q₂
b)
Q8: The force between the two small charged objects in Figure (a) is
F. What is the force between the charges in Figure (b).
¹/1/2
(B) 4F/9
(C) F
(D) 16F
(A) F/4
= R₂ = 1m are connected by a very long thin wire and
99: Two identical conducting spheres of radii R₁
charged to 9 μC. what are the charges on each sphere? (Q₁, Q₂), in μC?
(A) (4.5, 4.5)
(B) (7.1, 1.9)
(C) (5.7, 3.3)
(D) (5, 4)
R 2
w
w
2

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