Calculate the current density, resistance, and electrical field of a 5-m length of copper wire with a diameter of 2.053 mm (12-gauge) carrying a current of I = 10 mA .

Q: A copper wire has a diameter of 2.072 mm. What magnitude current flows when the drift velocity is…

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Q: Find the current density and drift velocity of free electrons when the particles travel on a copper…

A: Given that:a=1 mmi=40 An=6.0×1028 electrons/m3

Q: In a copper wire of diameter 2mm, 3x10^23 electrons flow in one second, Calculate the: charge,…

A: The amount of charge in the copper wire is Q=ne=3×1023 e1.6×10-19 Ce=48000 C The current through the…

Q: What amount of charge is stored in a D-cell alkaline battery if it provides a current of 450 mA…

A: Current (I) = 450 mA time (t) = 45.6 hr

Q: A rechargeable nickel-metal hydride AA battery has a charge capacity of 9000 C. How long can it…

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Q: We have a copper wire taking a 1.67 A current to a cellphone and the wire has a diameter of 1.02 mm.…

A: Given data Current through the wire ,I=1.67 A Diameter of the wire, d=1.02 mm=1.02×10-3 m

Q: When 129 V is applied across a wire that is 8.5 m long and has a 0.30 mm radius, the magnitude of…

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Q: A current density of 6.00 A/m2 exists in the atmosphere at a location where the electric field is…

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Q: Find the drift velocity vg of conduction electrons in a gold wire of diameter 2.03 mm when a current…

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Q: Calculate the drift velocity (in m/s) of electrons in a 6 gauge copper wire (which has a diameter of…

A: Given Diameter D=4.115 mm                 D=0.004115 mcurrent I=22.9 Adensity s=8.80×103 kg/m3

Q: What is the current in milliamperes produced by the solar cells of a pocket calculator through which…

A: Let the current is given by I. Let the time is given by T. Let the charge is given by Q. The current…

Q: Calculate the drift velocity of electrons in a 14-gauge silver wire (which has a diameter of 1.628…

A: Formula for drift velocity (vd) is vd=IneA where I is the current, given I = 15 A e is the charge of…

Q: The density of free electrons in gold is 5.9 ×1028 m3. If a gold wire with diameter d = 5.0 mm…

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Q: What is the radius of a 235.00m length of gold wire whose resistance is 0.32 Ko?

A: Resistance is given as R= ρl/A ,where ρ is the resistivity, l is the length and A is the area .…

Q: What is the current in milliamperes produced by the solar cells of a pocket calculator through which…

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Q: A calculator draws a current of 0.0009 A for 6 min. How much charge flows through it?

A: Current(I)=Charge(Q)Time(t)∴Charge(Q)=I×t=0.0009A×6min=0.0009A×360s=0.324C The charge that flows is…

Q: Find the number of electrons passing every second through a cross-section of a wire if the current…

A: current (I) = 0.75 A Time (t) = 1 sec

Q: A cylindrical resistor of length a, circular cross-sectional area of radius a, and resistivity…

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Q: Calculate the drift velocity (in m/s) of electrons in a 17 gauge silver wire (which has a diameter…

A: diameter (d) = 1.149 mm Current (i) = 23 A Number of electrons per atom = 1 density of silver (D) =…

Q: what is the resistance of a 3 km long iron wire, given that its diameter is 1 cm

A: Given data The length of the iron wire is given as L = 3 km. The diameter of the wire is given as d…

Q: How many electrons flow through a point in a wire in 3.00 s if there is a constant current of I =…

A: The expression for the current flowing through the wire,   Rearrange,

Q: Consider a resistor of resistivity 3.49 x 1050. m, length 17.93 m, and unknown cross-sectional area.…

A: Ohm's law explains the linear relationship between the current and the voltage of the resistance.…

Q: A copper wire of 50m length with a cross-sectional area of 8.17 x 10-7m2, carries a current of…

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Q: A copper wire has a diameter of 1.822 mm. What magnitude current flows when the drift velocity is…

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Q: Compute the equivalent resistance of the network in the given figure, and find the current in each…

A: Given data: Resistances: R1=1.00 ΩR2=3.00 ΩR3=7.00 ΩR4=5.00 Ω Emf: ε=48.0 V

Q: A cylindrical resistor of length a, circular cross-sectional area of radius a, and resistivity…

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Q: How long does it take 1.00 C of charge to flow through a handheld calculator if a 0.33 mA current is…

A: Electric current can be defined as, I=dQdt, where dQ is the amount of charge flowing through a given…

Q: Find the current (in A) when a charge of 1200C flows in 6 seconds. A) 7200 B) 200 C) 100 D) 3600

A: Current is rate of flow of charge.  I=Qt Here, I is current, Q is amount of charge and t is time.

Q: Consider a resistor of resistivity 3.41 x 1050 m, length 15.44 m, and unknown cross-sectional area.…

A: Given data: Resistivity of resistor is, ρ=3.41×10-5 Ω·m. Length of resistor is, L=15.44 m. Current…

Q: Consider a resistor of resistivity 3.89 × 10-5 Ω • m, length 15.21 m, and unknown cross-sectional…

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Q: The current density in a gold wire (p= 2.4 ×10-82.m)

A: Current density = Electric field/ resistivity J = E/ ρ J= 0.74 / 2.4 x 10-8 J= 0.3083 x 108 A/m2

Q: Consider a resistor of resistivity 2.67 x 10-5 n. m, length 13.85 m, and unknown cross-sectional…

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Q: A 14-gauge copper wire has a diameter of 1.628 mm.What magnitude current flows when the drift…

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Q: A wire is 3 meters long with a cross-sectional are of 4.50 x 10-6 m2. An electrician experienced a…

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Q: Calculate the drift velocity (in m/s) of electrons in a 6 gauge copper wire (which has a diameter of…

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Q: A copper wire has a diameter of 1.875 mm. What magnitude of current flows when the drift velocity is…

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Q: Determine the current density in an aluminium wire of length 2.00m and radius 0.650 cm the potential…

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Q: 1. (OpenStax, Ch. 9, problem #25) The quantity of charge through a conductor is modeled as…

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Q: Calculate the diameter of a 8.4-cm length of tungsten filament in a small lightbulb if its…

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Q: A current density of 6.00 x 10-13 A/m2 exists in the atmosphere at a location where the electric…

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Q: Most telephone cables are made of copper wire of either 24 or 26 gauge. If the resistance of…

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Q: Consider a resistor of resistivity 1.7 x 10 0.m, length 17.69 m, and unknown cross-sectional area.…

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Q: 13. Consider a square wire with side length 5 mm and conduc- tion electron density 6.0 x 1028 with…

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Q: Find the drift velocity ?d of conduction electrons in a gold wire of diameter 2.80 mm when a current…

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Q: A calculator draws a current of 0.0002 A for 2 min. How much charge flows through it?

A: The current drawn by the calculator is I = 0.0002A. The time taken is t = 2 min. Assume the charge…

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.