solution 4 it is registered on: Monday, October, 13 2003 12:22 afternoon EDT

1.In the circuit shown below a mechanically battery keeps a steady-state present running in a wire which has rather short electron mobility. Number 18.20Which of the following statements around the circuit room true? choose all that apply.The nonzero electric field inside the wire is developed by overabundance charges top top the surface of the wire and also in and on the mechanical battery.The magnitude of the electric field within the cable is the very same at all locations inside the wire.The electric field is zero at all places inside the metal wire.At location 3 the electrical field points to the left.Mobile electrons inside the wire press each various other through the wire.The nonzero electric field within the wire is developed by the moving electrons in the wire.At every location inside the cable the direction of the electrical field is parallel come the wire.At location 3 inside the cable the electric field points to the right.The electric field inside the wire varies in magnitude, depending upon location. <3>2.A steady-state existing runs in the circuit below. The small resistor and also thick connecting wires room made the the same material. Which of the complying with quantities are higher in the thin resistor than in the special wire?Check all the apply.EAvnoneniu <2>Which that the complying with quantities are equal in the slim resistor and in the thick wire?uiEAnnonev <2>Which that the complying with quantities are smaller sized in the thin resistor 보다 in the special wire?noneEiAvnu <2>3.In the circuit below the small resistor is made of the same product as the special connecting wires. Steady state circuitIn the steady state, i beg your pardon graphs correctly display the magnitude of the electric field at locations about the circuit, and the drift speed of the electron at locations about the circuit? pick the 2 correct graphs.

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Electric field
Drift speedABCDEFGHJKLM <3>4.Which that the following statements about a steel wire in revolution equilibrium room true? choose all that apply.There might be excess charges top top the surface ar of the wire.There may be overfill charges in the internal of the wire.There may be a continuous flow of cell phone electrons inside the wire.The net electric field almost everywhere inside the wire is zero.There are no overabundance charges in the inner of the wire.There is no net circulation of mobile electrons within the wire.There cannot be overabundance charges top top the surface of the wire.The internal of the steel wire is neutral. The electric field inside the wire may be nonzero yet uniform. <3>5.Which that the adhering to statements around a metal wire in the stable state room true? choose all the apply.There may be excess charges in the internal of the wire.There is a constant flow of mobile electrons within the wire.The internal of the metal wire is neutral.There may be overfill charges ~ above the surface ar of the wire.There may be a nonzero, uniform electric field within the wire.The net electric field everywhere inside the cable is zero.There can not be excess charges top top the surface of the wire.There space no overfill charges in the interior of the wire.There is no net circulation of cell phone electrons within the wire. <3>6.Consider the circuit include three similar light bulbs displayed in a peak view in number 18.66. Phibìc is shown in the diagram. Compasses are put under the wires at places A and B.
figure 18.66(a) The magnitude of the deflection the compass A is 13 degrees away from north. Which arrow best suggests the direction in i beg your pardon the compass needle points?<2>---Select---abcdefghj(b) What is the size of the deflection of the needle of compass B? <2> degreesWhat direction does the needle of compass B point?<2>---Select---abcdefghj(c) In the stable state 1.8 1018 electrons per 2nd enter bulb 1. There room 6.3 1028 cell phone electrons every cubic meter in tungsten. The cross-sectional area of the tungsten filament in bulb 1 is 1.1 10-8 m2. The electron mobility in warm tungsten is 1.2 10-4 (m/s)/(N/C).

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Calculate the size of the electric field within the tungsten filament in bulb 3.<4> V/m