Lesson_4.2_Homework

Lesson_4.2_Homework - Lesson 4.2 Homework 1. A proton...

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Unformatted text preview: Lesson 4.2 Homework 1. A proton traveling with a velocity of v = 1 × 10 4 ms-1 i is located at x = 3.0 m, y = 4.0 m at a given time. Find the magnetic field at (i) (2, 2), and (ii) (6, 4) at this instant. 2. An electron orbits a proton at a distance of 5.29 × 10-11 m. What is the magnetic filed at the proton due to the orbital motion of the electron. 3. Two equal charges q located at (0, 0) and (0, b) are moving in the positive x-direction with equal speeds v. Find the ratio of the magnitude of the magnetic and electrostatic forces on each. 4. A small current element Idℓ = 2 mm is centered at the origin and carries a current I = 2.0 A in the positive z-direction. Find the magnetic field (i) on the x-axis at x = 3 m, (ii) on the x-axis at x = -6 m, (iii) on the z-axis at z = 3 m, and (iv) on the y-axis at y = 3 m. 5. A single loop of wire of radius 5 cm carries a current of 3.2 A. What is the magnitude of B on the axis of the loop (i) at its center, (ii) 2.5 cm from the center, (iii) 5.3 cm from the center, and (iii) axis of the loop (i) at its center, (ii) 2....
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This note was uploaded on 05/01/2011 for the course PHY 2049 taught by Professor George during the Spring '11 term at Edison State College.

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