21: An electron has a velocity of 6x106 m/s in the positive x direction at a point where the magnetic fiel- he components Bx= 3T, By-2.5T. What is the magnitude magnetic force acting on the electron, in 10-1 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 passes through the battery, AV = 20V, If R = 20? m R AV 2R 2 2 www ww R R (C) 4.29 (B) 2.86 (D) 3.57 (A) 2.14 Q5: A charged insulating sphere has charge q and radius R. The magnitude of the electric field at the poin where r > R is equal to? kqR kqr³ pr (A) 20 (B) (C) (D) 06: A very long wire has a uniform charge density, A = 7nC/m. Determine the magnitude of the electric fi at point 10 cm from it, in N/C? (D) 1080 2
21: An electron has a velocity of 6x106 m/s in the positive x direction at a point where the magnetic fiel- he components Bx= 3T, By-2.5T. What is the magnitude magnetic force acting on the electron, in 10-1 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 passes through the battery, AV = 20V, If R = 20? m R AV 2R 2 2 www ww R R (C) 4.29 (B) 2.86 (D) 3.57 (A) 2.14 Q5: A charged insulating sphere has charge q and radius R. The magnitude of the electric field at the poin where r > R is equal to? kqR kqr³ pr (A) 20 (B) (C) (D) 06: A very long wire has a uniform charge density, A = 7nC/m. Determine the magnitude of the electric fi at point 10 cm from it, in N/C? (D) 1080 2
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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