A thin hollow tube oriented in the z-direction of thickness t and outer radius R has a constant current density of J = Jez. (a) Derive expressions for B at all points. (b) Sketch B as a function of r from the middle of this tube to 2 R.

Q: Now we substitute this expression for AQ = IAt. The current density %3D J=nqvd. If there is more…

A: We consider a short cylinder with an axis parallel to the drift velocity and it has a…

Q: A 2.00-nF capacitor with an initial charge of 4.63 μC is discharged through a 2.15-k resistor. (a)…

A: See below

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Q: Given that the expression for the current density is =- 2cos 0 a +sin 0 a Alm2, determine the…

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Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…

A: Given variable: Current density, J = 6br2  The radius of the conductor - R

Q: Question 1(a): Consider the cylindrical coordinates, and for specific region 0 <r<a, the current…

A: Answer..

Q: LAQ 3. In the circuit below, there are four branches; the top branch is branch number one that has…

A: Step 1: Let us redraw the circuit, showing the currents and labeling itR = 6.20 Ohm, and ΔV=6.50…

Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…

A: Given: The radius of the cylindrical conductor is R and current flowing in the cylindrical conductor…

Q: 3. How much current flows through a squa

A: In z direction, the current density is given as, J→ x=Co +C1 xk^Here,Co=4.7Am2,C1=-3.1Am2,L=0.9m.

Q: Given that a current of I(t)= 12t²+4 (where t is in s) is flowing parallel to the axis of a…

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Q: A 0.1-A current flows through of a copper wire of length 1.0 m for 20 minutes. The diameter of the…

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Q: 42.0 2 33.0 2 61.0 2 75.0 2 25.0 2 14.52

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Q: An iron wire cross-section 3.3 x 10-6 m2 carries current 198 A. Find the drift velocity Vd, im units…

A: Given data: Cross-sectional area A=3.3×10-6 m2 Current I=198A Known values: Density of iron ρ=7.86…

Q: An iron wire with cross-section 1 × 10–6 m² carries current 195 A. Find the drift velocity Va, in…

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Q: An iron wire with cross-section 3 x 10 ° m? carries current 149 A. Find the drift velocity Va, in…

A: Drift velocity Vd = 3.651 × 103 mm/s

Q: The normal vector from region 2 to region 1 is ân21=(6âx+2ây-3âz)/7. If H1=10âx+ây+12âz A/m and…

A: Given: ân21=(6âx+2ây-3âz)/7;  H1=10âx+ây+12âz A/m   H2=H2x âx-5ây+4âz

Q: An iron wire with cross-section 4 x 106 m2 carries current 163 A. Find the drift velocity Va, in…

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Q: While a capacitor is being charged, the current flowing through it as a function of time is shown…

A: Answer the following question is

Q: An iron wire with cross-section 3.5 x 10 m2 carries current 135 A. Find the drift velocity Va, in…

A: Given that,                 cross section area of iron wire(A)=3.5×10-6 m2                  current…

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Q: If the vector potential A =acos(bx)+ abysin(bx)y. the y-component of the current density is -…

A: Given,  A→=a cosbxx^+aby sin bxy^∇2A→=-μ0j→Now, current density vector j→=jx→x^+jy→y^Therefore y-…

Q: A wire of circular cross-section carries a current density that is not uniform but varies with…

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Q: The quantity of charge q (in coulombs) that has passed through a surface of area 2.00 cm² varies…

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Q: Now take ɛ = 15V, C = 20 µF, and R = 4.0 X10N and charge the capacitor in the RC circuit. (4) What…

A: Solution: 6). Let us consider that during charging of the capacitor, q be the charge on the…

Q: current at time

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Q: An iron wire with cross-section 3.1 × 10-º m² carries current 158 A. Find the drift velocity Va, in…

A: Given that cross section area of the iron wire and current and also given the two carriers per iron…

Q: In Figure, suppose the switch has been closed for a time interval sufficiently long for the…

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Q: Can you please answer a,b & c?

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Q: Suppose the current in a conductor decreases exponentially with time according to the equation I(t)…

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Q: The time variation of the charge passing by a conductor is given by q(t)=2t+2t, where q is given in…

A: The charge passing through the conductor is given as, qt = 2t2+2t The cross-sectional area of the…

Q: An iron wire with cross-section 2.1 x 10 ºm² carries current 149 A. Find the drift velocity Va, in…

A: Area of cross section of wire(A)=2.1×10-6 m2 Current (I)=149 A  Number density of electrons in Iron=…

Q: In the Power Transfer experiment, A load resistance (R) is connected across the terminals of a 3V…

A: r = 10 Ω  VL = 3 V

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A: Given data, Current I=4sin60πt+cos120πt

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Q: Problem 4: The charge on a capacitor in a circuit is given by q(t) = qmax cos(wt+q) Enter an…

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Q: As in the figure, the long cylindrical slice with inner radius a and outer radius 2a has a current…

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