Charged sphere ( mass= 20 g, q=D2 µ) is connected with a neglected mass string to a uniformly charged surface wi-13.6 uC/m. Find the tension in the string in units of N). use eo = 8.8542x10-12 F-m-1String+ + ++ + + +Select one:OA. 1.06OB. 1.34OC.2.88D. 1.42E. 15.16ENG فيرA conductor has a cross-sectional area of 2.3x 10-6 m and the number of free electrons per unit volume is 8.5x10- electron/m. When the current is 8.6 A, find the drift speed (in mm/s) of the electrons. Use the charge of theelectron to be 1.6x 10-19 C.Select one:OA 0.19OB. 27.49CC.036C0.36.09CE.027page

I = 8.6 A Q= 1.6 ×10-19C A =2.3 ×10-6 m² n = 8.5 ×1028 electron/m³ Now, Velocity = I /nAq V = 8.6 /…

Answered: A conductor has a cross-sectional area…

Similar questions

以自%VA Ih常 What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x 10-8n.m, if its length is 58.9 m and its diameter is 0.50 mm? Select one: A. 2.40 B. 21.38 C. 3.71 D. 33.16 E. 9.60
Given the electric field through a write is 0.50 V/m. The material used to make the wire has 6.52×10²8 electrons per m³. If the material has a conductivity of 1.7×10 m, calculate the drift velocity of the electrons.
A copper wire has a square cross section 2.3 mm on a side. The wire is 4 m long and carries a current of 3.6 A. The density of the free electrons is n = 8.5 x 1029 m-3. The resistivity of Copper is PCu = 1.7 x 10-8 N · m Find the magnitude of: 1. The current density in the wire is: [ Select ] x106 A/m². 2. The electric field in the wire is: [ Select ] _V/m. 3. The time required for a free electron to travel the length of the wire is: [ Select ] hours.
A current of I = 7.3 A is passing through a conductor with cross sectional area A = 6.5 × 10-4 m2. The charge carriers in the conductor, electrons, have a number density n = 2.1 x 1027 m-3. Calculate the numerical value of the drift velocity, v, in m/s. vd =
A copper wire has a square cross section 2.3mm on a side. The wire is 4m long and carries a current of 3.6 A. The density of the free electrons is n = 8.5 * 1029 m-3. The resistivity of Copper is 1.7 * 10-8 ohmmeter. What is the current density and the electric field inside the wire?
What current flows through a 2.58-cm-diameter rod of pure silicon that is 19.0 cm long, when 1.00 ✕ 103 V is applied to it?
Shown below is a copper wire with the following characteristics: Diameter: 1.45 mm.00145m 1.45 × 10-8 m Number density of electrons: 8.47 x 1028 electrons/m³. Conductivity: 5.96 x 107 S/m a. Calculate the drift velocity (magnitude and direction) of the electrons in the wire when a current of 5.00 A is running through it. b. What direction is the current moving? c. Remembering that current density is a vector, calculate the magnitude and direction of the current density of this wire. d. Calculate the resistivity of the wire. e. Calculate the resistance of this wire if it were 10.0 m in length.
A conductor has a cross-sectional area of 2.3x106 m² and the number of free electrons per unit volume is 8.5 X1028 electron/m³. When the current is 7.1 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6×1019 c.
1. A tungsten wire has a radius of 0.072 mm. When 128 V is applied across the ends of the hot wire, a current of 3.00 A is produced. How long is wire? (The resistivity of tungsten is 2.65 × : m 5 cci16 cm) ceil6 ceil6 cc
The current supplied by a battery in a portable device is typically about 0.142 A. Find the number of electrons passing through the device in one hour. HINT electrons
Iron has a resistivity of 9.71×108 m at 20°C. What will the resistivity of Lead when then temperature is increased to 135°C. (Take a as 6.51×10³)
In the Bohr model of the hydrogen atom, an electron in the 4th excited state moves at a speed of 1.37 x 105 m/s in a circular path of radius 8.46 x 1010 m. What is the effective current associated with this orbiting electron? 4.1 Your response is off by a multiple of ten. mA

SEE MORE QUESTIONS