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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
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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
Transcribed Image Text: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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