The current density for the cylinder in the figure is given by j. Find the total current flowing through the surface of the cylinder.

Q: An 18 gauge copper wire (diameter 1.02 mm) carries a current with a current density of 2.90×10^6…

A: The equation for the current in the wire is given by

Q: /s. What is (a) the magnitude of the current density and (b) direction of the current density J .(c)…

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Q: In a given fluid, positive ions, each with 2 excess protons, move to the right at a steady rate of…

A: given fluid, positive ions, each with 2 excess protons, move to the right at a steady rate of 1.3 ×…

Q: Suppose we have a washer-shaped object with conductivity 50 S/m.   The inner radius is a = 2 mm,…

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Q: a) If the electron concentration increase along the x-axis of a conductor as shown in equation…

A: Diffusion current is the current caused by the diffusion of current carriers, that is, holes and…

Q: An ohmic material is one for which what is true

A: An ohmic material is a material that obey ohm's law. so, in order to know about ohmic material, lets…

Q: a current 2A flows in a copper wire over a length of 3 km and 1,1 mm.known copper conductivity is…

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Q: The magnitude of the current density in a certain lab with a circular cross section of radius R=4.00…

A: Given: The radius is R=4 mm. The magnitude of the current density is J=3×108r2. The outer section…

Q: A current 87 uA passes through a wire. Part (a) Express the charge Q passing through the wire in…

A: Current (I) = 87 μAtime (∆T) = 69 sec

Q: Which of the following is best defines current density?     It is a scalar quantity measuring the…

A: Current Density The amount of electric current flowing per unit cross-section area is called as…

Q: A general relationship for the current density carried by electrons of density /I is J = qnv. where…

A: a) We know that current density(J) of electron is denoted as mentioned below. Where, q denotes…

Q: The current of an electron beam has a measured current of I=39.2 μA with a radius of 1.74 mm. What…

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Q: An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge…

A: Given data, Diameter of the wire = 3 mm Current through the wire = 1.2 A Charge concentration = 8.5…

Q: The magnitude J of the current density in a certain wire with a circular cross section of radius R =…

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Q: A current of one amp passes through a wire of cross sectional area 1 cm?. The number of electrons…

A: Given Current I = 1 Amp Area A = 1 cm2 = 10-4 m2     Charge on electron e = 1.6 × 10-19

Q: The current supplied by a battery in a portable device is typically about 0.137 A. Find the number…

A: Given: The electric current is 0.137 A. The time interval is 3 h.

Q: 1. a) Find the electrical resistance of a 0.5 cm long, 22-gauge silver wire, if the electrical…

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Q: The current of an electron beam has a measured current of I = 50.00 μA with a radius of 1.00 mm2 .…

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Q: A current of 44.7 mA flows in a silver wire of diameter 2.55 mm. Find the electric field strength…

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Q: What is the current through a cylindrical wire of radius R = 0.1 mm if the current density is J = J0…

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Q: (1) What is a definition of electric current? Label the variables. (2) Suppose that 1016 electrons…

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Q: In a given fluid, positive ions, each with 1 excess protons, move to the right at a steady rate of…

A: We have n1=1.9×1019 positive ions each containing one excess proton i.e., charge q1=+e moving to the…

Q: In a given fluid, positive ions, each with 2 excess protons, move to the right at a steady rate of…

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Q: The figure below represents a section of a circular conductor of nonuniform diameter carrying a…

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Q: e current density in a conductor of circular cross section of radius a varies with radius according…

A: Given:- The current density in a conductor of a circular cross-section of radius varies with radius…

Q: A wire with length 100 m and radius 12mm. A current passing in it with 20 A. Calculate the current…

A: Given: Length of wire, L=100 m radius, r = 12 mm  Current, I = 20 A Current density, j=IA

Q: The quantity of charge q (Coulomb) passing through a surface of area 6 cm² changing with time as q =…

A: Area (A) = 6 cm2q(t) = 4t3 + 5t + 6

Q: A change of 401 C charge pass through an imaginary plane during a time interval of 2.0 minutes.…

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Q: While tracking the speed of individual particles is great, a more useful and simpler quantity to…

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Q: The student runs an experiment on a cylindrical wire of a length l of 2 centimeters and the cross-…

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Q: A cylindrical, ohmic, uniform conductor is placed in a uniform electric field that points from…

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Q: A beam contains 5.1 x 10° doubly charged positive ions per cubic centimeter, all of which are moving…

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Q: An 18 gauge copper wire (diameter 1.02 mm) carries a current with a current density of 2.30 x 10°…

A: Since in the 1st part we have already got he value of current Which is equal to 1.88 Ampere Now, in…