31 Three infinite current sheet K₁-60 äz at x 7 and K₂= 20 dz at x = 5 and R-10 az atx 2 Find I everywhere assuming free space. Q2
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- Q.10 Write any 5 precautions to be taken to work in an electrical laboratory.In the Bohr model of hydrogen atom, the electron is pictured to rotate in a circular orbit of radius 5x10-¹1 m, at a speed 2.2 x 10 m/s. What is the current associated with electron motion?In the Bohr model of hydrogen atom, the electron is pictured to rotate in a circular orbit of radius 5x10-¹1 m, at a speed 2.2 x 10 m/s. What is the current associated with electron motion?
- 3. Assume that there is a region with cylindrical symmetry in which the conductivity is given by o = 1.5e- 150p kS/m. An electric field of 30 k V/m is present. a) Find J: Use J = o E = 45e - 150p k kA/m2 b) Find the total current crossing the surface p < p0, z = 0, all øa. Find all currents: I1, I2 and 13 using superposition and Mesh Analysis. b. Find V. a 8Ω ot V b |0 I1 30² 202 H 3 20V 12 18V d 6.N 13 CWhat is the equivalent resistance between points A and B when R = 15.6 Q? 5R В R R 5R A 4R Select one: А. 27.53 B. 48.36 С. 23.40 D. 26.00 O E. 79.56
- 6- chapter27-question17 A small current of 1.5x 10 10 A exists in a copper wire whose radius is 1.0 mm. The number of charge carriers per unit volume is 9.0 x 10 m³. Assuming the current is uniform, calculate the electron drift speed in m/s. (n = 3.14, qe = 1.6 × 10~1ºC) Option1 Option2 Option3 Option4 Option5 1.6 x 10-14 | 3.3 × 10-14 4.7 x 10 14| 5.1 x 10-14 | 0.8 x 10-14 a) Option5 b) Option1 c)O Option4 d) O Option3 e) Option2 O Boş bırak1.) The electric field of the material between two coaxial cables of radius 0.525 cm and 0.675 cm is given as 2.58 V-m E If the conductivity of the material is 5 x 1010 S/m, what is the current density in the material?1. Determine the magnitudes and directions of the currents through R1 and R2 using Kirchoff's Rule. V₁=9.0V R₁ = 22 92 R₂=1592 V3= 6.0V