Tong a eirele with a Value of 3 Amps. in the wire is shown in the figure. What is the sum of B field Magnitude in units of micro Tesla, due to the straight and circular configuration of the wire at point P? 1- 200 Amps R=4.14 cm
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- A positively charged rod is brought near an electroscope. Which of the following model describes the correct charge distribution on the movable part of the electroscope? ++++ ++++ |+ + + + ++++ Iスス ス 上===: D В AWhich of the following electrostatic fields could exist in a finite region of space that contains no charges? (In these expressions, A is a constant, i, j and k are unit vectors pointing in the x, y and z direction, respectively.) a. A (2xy i - x k) b. A (xz i + xz j) c. A xyz (i + j) d. A (-y j+ z k) е. А хуz i a O bAn electric dipole with a dipole moment is inserted in a uniform electric field 35- as in Figure. Due to the torque on the dipole applied by the electric field, the dipole rotates around an axis O perpendicular the plane of the field. Which of the followings is/are true about the dipole? I) Its moment of inertia around the rotation axis is constant. II) Its angular acceleration is constant during the rotation as the magnitudes of and are constant. III) The magnitude of the torque is constant during the rotation as the magnitudes of and are constant.
- Je zstand thing shar Spring Consider the electric dipole shown in the figure. If the charges each have a magnitude of 25 nC, are separated by 6.17 mm, and the external electric field has magnitude E = 50 N/C, calculate the torque n (in N.nm) on the dipole when 0 = 17°. Let of the paper" be the direction of positive torque. "out N.nmS. The pith ball shown below has a mass of I gram and a charge of-3nC. When an electric field, E, is tumed on the pih ball moves into equilibrium as shown below. The tension in the string is 10mN at 30 to the horizontal. mi gm T 10mN Find the magnitude and the direction of the E field a. JE-5.710 NC @ 60 deg 3rd Quadrant (240 deg) b. JE-33*10 NC @ 30 deg 3rd Quadrant (210 deg) c. JE-5.7*10 NC @ 30 deg Ist Quadrant (30 deg) d. JE-33*10 N/C @ 60 deg Ist Quadrant (60 deg)The electrical force on a 2.00 C charge is 55.5 N. What is the value of the electric field at the place where the charge is located?
- Questions 5-6 refer to the figure below. 0.25 m 0.1 m 91 в 0.1 т A 92 5. In the Figure q = -6.25 × 10–9 C and 2 = -12.5 × 10-9 C are separated by a distance of 0.25 m. Calculate the E-field due to q1 and q2 at point A, which is a distance of 0.1 m to the left of q1. A. – 384.7 ât N/C В. - 6536.1 î N/C C. 384.7 ât N/C D. 6536.1 â& N/C 6. In the Figure q1 = -6.25 × 10–9 C and 2 = -12.5 × 10-9 C are separated by a distance of 0.25 m. Calculate the E-field due to q and q2 at point B, which is a distance of 0.1 m to the left of q2. A. – 529.6 â& N/C B. – 8740.3 ât N/C C. 529.6 £ N/C D. 8740.3 ⣠N/CTwo conductor wires of linear charge density lambda, one of them of infinite length and the other of length a, are placed as indicated in the figure and are in the same plane. Determine the electrical repulsion force between both wires. A. F= 2K2ln 3 B. F=0 C. F= K 2 ln 3 D. F= 2K ln 2 /a E. F= K ln 3 F. F = k Q/a2 G. F= 2 K ln2In the figure above, a = 16.6 cm and b = 5.95 cm. What is the magnitude of the force on the -10 nC charge?