3. If an electric current of 5A flows through a conducting wire having a cross-sectional area of 2 mm², determine: A. Flow Meeting B. The amount of charge that passes through the wire C. The number of electrons flowing through the wire in 2 hours
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Please solve subparts A,B,C with the full step thank u
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- What is a proton? Where does it normally exist in an atom, and what is its charge?2. When a current of 1A flows through a wire, the drift velocity of the electrons is 0.9 mm/s. What will be the drift velocity of the electrons when a 2A current flows through another wire of the same material having double the length and double the area of cross section and same temperature.An 18-gauge copper wire with a diameter of 1-mm carries a constant current of 1-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. Determine the electric field in mN/C. Use q = 1.602 x 10-19 and resistivity equal to 1.72x10-8 ohm-m.
- P1.15. A copper wire has a diameter of 2.05 mm and carries a current of 15 A due solely to clectrons. (These values are common in residential wiring.) Each electron has a charge of -1.60 × 10-19 C. Assume that the free-electron (these are the electrons capable of moving through the copper) concentration in copper is 1029 electrons/m'. Find the average velocity of the electrons in the wire.2 Current is defined as the rate of charge flow. If a charge of 0.0065 colombs passes a-given point in a conductor in (loo milliseconds, calculate the : a) current in amperes (Hint::, I = 2) b). Current in milli-ampere-s... Ans: a) 0.065 A b) 65 mA(b) Consider the diagram of a conducting wire of Figure Q1(b)6). i. Determine the charge of 7.573 x 1017 electrons. ii. If this number of electrons moves uniformly from the left end of the wire to the right end in 1 ms (millisecond), what is the current flows through the wire? iii. How many electrons must pass a given point in 1 minute to produce a current of 10 A? iv. If the charge profile across the cross section of the conductor from left to right is given by g(t) = t + 0.2est C for t2 0 and zero for t < 0, plot the profile of the current that flows across the boundary. In what direction would the current flow? v. Repeat part (iv) for the charge profile (in Coulomb) sketched in Figure Q1(b)(ii).
- A wire has a circular cross-section of radius r= 3.53 mm. The conductivity of the wire is 1x10^5 (Ohm, meter) and its lengthis 2m. The total resistance of the wire in Ohms is:O a. 0.51O b. 0.72ç. 0.26O d. 5136.07O e. 797497.60An 18-gauge copper wire with a diameter of 1-mm carries a constant current of 1-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. Determine the resistance, in ohms, of a 77-m wire in milli-ohm. Use resistivity equal to 1.72x10-8 ohm-m.Question 5 a) The value of conductivity of a material gives us an estimate of the extent to which a material supports the flow of current through it. Electrical conductivity depends upon the number of electrons available in the conduction process. In your own understanding explain why the conductivity of semiconductors increases with increase in temperature?
- A copper wire has a diameter of 2.05 mm and carries a current of 15 A due solely toelectrons. (These values are common in residential wiring.) Each electron has a charge of -1.60 x 10-19 C. Assume that the free-electron (these are the electrons capable of movingthrough the copper) concentration in copper is 1029 electrons/m³. Find the average velocity ofthe electrons in the wire.1. A Germanium sample is 5 mm long and has a rectangular cross-section, 50 µm by 150 μm. A Phosphorus atom with concentration of 4.4 x 10¹5/cm³ at 300 K is added and corresponds to one impurity atom for 107 Ge atoms. A steady current of 3 µA exists in the bar. a. Set up the equations for concentrations, conductivity, resistance, and voltage. b. Solve for the electron and hole concentration, conductivity, resistance, and voltage. 2. A basic junction diode is operating at a room temperature of 25°C and has a reverse current of 1 nA. ( a. Set up the different diode equations. b. Solve for the diode current at room temperature, reverse current, and threshold voltage when the temperature becomes 72°C1-1)The length of Copper wire is 10m and its cross-sectional area is 0.5mm2 has a Calculate: resistance 0.34SN. a) The conductivity of Copper wire. b) the mobility of electrons in the copper wire.