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A positive charge (0.4 µC and mass of 3.0 x 10 kg ) is accelerated by a very high voltage of 40,000 volts, and then the charge enters a magnetic field (B 0.600 T) with the velocity perpendicular to the b field. 18. find the speed of the charge right before it enters the B field. b. 10655 m/s a. 73 m/s c. 103.3 m/s d. none of these 19. find the radius of the circular path of the moving charge in the B field. a. 1291.3 m b. 12.91 m c. 912.5 m d. 344 m

A positive charge (0.4 µC and mass of 3.0 x 10 kg ) is accelerated by a very high voltage of 40,000 volts, and then the charge enters a magnetic field (B 0.600 T) with the velocity perpendicular to the b field. 18. find the speed of the charge right before it enters the B field. b. 10655 m/s a. 73 m/s c. 103.3 m/s d. none of these 19. find the radius of the circular path of the moving charge in the B field. a. 1291.3 m b. 12.91 m c. 912.5 m d. 344 m

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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A * NI O 3. 14% O 4:08 PM A positive charge (0.4 µC and mass of 3.0 x 10 kg ) is accelerated by a very high voltage of 40,000 volts, and then the charge enters a magnetic field (B = 0.600 T) with the velocity perpendicular to the b field. 18. find the speed of the charge right before it enters the B field. а. 73 m/s b. 10655 m/s с. 103.3 m/s d. none of these, 19. find the radius of the circular path of the moving charge in the B field. а. 1291.3 m b. 12.91 m c. 912.5 m d. 344 m 20. Two parallel wires have currents of 5 A and 3 A in opposite direction. The distance between them is 24 cm. Find the force of interaction per unit length. i.e. L = 1.0000 meter a. 1.25 x 10 N/m b. 3.93 x 10 N/m c. 1.25 x 10 N/m d. 3.93 x 10 N/m 21. A multi-loop wire of 150 turns is placed in a uniform magnetic field that is parallel to the normal of the loop. The strength of the magnetic field is 3.00 T, the area of the loop begins shrinking at a constant rate of AA/At = 0.40 m²/sec. What is the magnitude of the emf induced in the loop while it is shrinking? :
Transcribed Image Text:A * NI O 3. 14% O 4:08 PM A positive charge (0.4 µC and mass of 3.0 x 10 kg ) is accelerated by a very high voltage of 40,000 volts, and then the charge enters a magnetic field (B = 0.600 T) with the velocity perpendicular to the b field. 18. find the speed of the charge right before it enters the B field. а. 73 m/s b. 10655 m/s с. 103.3 m/s d. none of these, 19. find the radius of the circular path of the moving charge in the B field. а. 1291.3 m b. 12.91 m c. 912.5 m d. 344 m 20. Two parallel wires have currents of 5 A and 3 A in opposite direction. The distance between them is 24 cm. Find the force of interaction per unit length. i.e. L = 1.0000 meter a. 1.25 x 10 N/m b. 3.93 x 10 N/m c. 1.25 x 10 N/m d. 3.93 x 10 N/m 21. A multi-loop wire of 150 turns is placed in a uniform magnetic field that is parallel to the normal of the loop. The strength of the magnetic field is 3.00 T, the area of the loop begins shrinking at a constant rate of AA/At = 0.40 m²/sec. What is the magnitude of the emf induced in the loop while it is shrinking? :
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