How long does it take electrons to get from a car battery to the starting motor? Assume the current is 300 A and the electrons travel through a copper wire with cross-sectional area 0.21 cm² and length 0.85 m. The number of charge carriers per unit volume is 8.49 x 1028 m-³.

Q: 3.7×1020 electrons are flowing past any point in a wire per minute (electron charge = -1.6×10-19 C).…

A: Given :     Number of electron , N = 3.7*1020     Time, t = 1 minute = 60 s      electron charge, q…

Q: A teapot with a surface area of 715 cm is to be plated with silver. It is attached to the negative…

A: Surface area (A) = 715 cm2Potential difference of the battery (V) = 12 volts Resistance (R) = 1.5…

Q: A 190-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,210 A.…

A: Length of transmission line (L) = 190 km = 190000 m Diameter of the transmission line (d) = 2 cm…

Q: Calculate the rate of the flashlight’s energy consumption. Suppose a flashlight has 6.8 × 102 C…

A: Given data:  Charge (q) = 6.8×102 C Time (t) = 0.35 h Voltage (V) = 3.00 V Required: Power (P)

Q: A conductor has a cross-sectional area of 2.3x 10-6 m and the number of free electrons per unit…

A: Drift speed is given by -      Drift speed= current/(n × e ×A) Where, n=number density e=Electric…

Q: A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8 *…

A: Given: Diameter of wire is d=2.6mm. Radius is r=1.3mm=1.3×10-3m. Charge q=420C  transfers during…

Q: The starter motor of a car engine draws a current of 190 A from the battery. The copper wire to the…

A:

Q: A typical lightning bolt may last for 0.152 s and transfer 1.15 ✕ 1020 electrons. Calculate the…

A: The answer is below

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

A: Given, Current (I) = 310 A  Cross section area of copper wire (A) = 0.280 cm2  Length of of wire…

Q: The density of mobile electrons in copper metal is 8.4 x 1028 m, Suppose that / 9.0 x 101…

A:

Q: A conductor has a cross- sectional area of 2.3x 10 6m2 and the number of free electrons per unit…

A: Given that the cross-sectional area of conductor and number of electrons per unit volume and current…

Q: The density of mobile electrons in copper metal is 8.4 x 1028 m3. Suppose that / 4.7 x 1018…

A:

Q: A 210-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,060 A.…

A:

Q: We have a copper conductor, length l = 1m and circular section of diameter d = 4mm a) Calculate the…

A: Part (a) Basic Details The resistance of the conductor depends on the resistivity, the length of the…

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

A: Given: The current is I = 310 A. Cross sectional area of wire is, The length of the wire is L =…

Q: A uniform cross-section of silver has a resistivity of 1.54 x 10-8 2 m at room temperature. For an…

A: Given data:  Resistivity of silver (ρ) = 1.54 × 10-8 Ω.m Electric field (E) = 1 Volt/cm Density of…

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

A: Given data The current in the circuit is given as I = 340 A. The cross-sectional area is given as A…

Q: free electrons are there in a rectangular block of a conductor whose dimension is 8 m by 4 m by 3 m?…

A: We know that the formula of the drift velocity is given as  vd= IneAn=IevdA ------ eq 1  where I is…

Q: The starter motor of a car engine draws a current of 190 A from the battery. The copper wire to the…

A:

Q: Calculate the drift velocity (in x1o-6 m/s) of electrons in a silver cylindrical conductor with a…

A:

Q: An aluminum wire having a cross-sectional area of 3.90 x 10-6 m² carries a current of 3.00 A. The…

A: The cross-sectional area of the wire is The current in the wire is The density of aluminium is We…

Q: Suppose that there is a wire. It is made out of material that has a the following information:…

A:

Q: A copper wire of cross-sectional area 1.00 mm2 has a current of 7.40 A flowing along its length.…

A: number density  n = (1.3×density×NA )/molar mass  n = (1.3×9000×6.02×1023 )/0.064  n = 1.1×1029

Q: A 310-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,030…

A:

Q: The density of mobile electrons in copper metal is 8.4 x 1028 m3. Suppose that i = 7.2 x 10¹8…

A:

Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with…

A: Mass of copper (m) = 0.9 g Density of copper (D) = 8920 kgm3Resistivity of copper (ρ) = 1.72×10-8…

Q: Given the electric field through a write is 0.50 V/m. The material used to make the wire has…

A: The drift velocity of electrons is the average speed at which electrons move through a conductor…

Q: A 340-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,230 A.…

A:

Q: Suppose the electron drift velocity in a 5 mm diameter copper wire is.10 ms' is used to light a…

A: Given: The diameter of the copper wire is = 5 mm The drift velocity of electrons is =0.10 m/s The…

Q: A conductor has a cross-sectional area of 2.3X10-6 m2 and the number of free electrons per unit…

A:

Q: A 270-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,210…

A: Time = 30.2207 year Or Time = 30.2 year (approximately)Explanation:

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

A: 20 min 36sec

Q: A copper wire of cross-sectional area 1.40 mm² has a current of 3.90 A flowing along its length.…

A:

Q: How long does it take electrons to get from the car battery to the starting motor? Assume the…

A:

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

A:

Q: A 320-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,040 A.…

A: see below handwritten solution

Q: An aluminum wire having a cross-sectional area equal to 3.30 x 10 m² carries a current of 4.50 A.…

A: Given Data :Current I = 4.5 AArea of cross section A = 3.3×10-6 m2Density of aluminum ρ = 2.7…

Q: A teapot with a surface area of 790 cm2 is to be plated with silver. It is attached to the negative…

A:

Q: An aluminum wire having a cross-sectional area equal to 4.60 x 106 m? carries a current of 7.50 A.…

A: Given, Area(A)=4.60×10^-6m² Current (I)=7.50A Density=2.7g/cm³ Drift Velocity=?

Q: 15 A teapot with a Surface area of 325 cm' to be plated with silver. It is attached to the negative…

A: Given: The surface area of the tea pot is 325 cm2 or 325×10-4 m2            The battery is 12 V.…

Q: Problem 2: How long does it take electrons to get from the car battery to the starting motor? Assume…

A:

Q: A conductor has a cross-sectional area of 2.3×106 m² and the number of free electrons per unit…

A: Option A is the right answer  A. 0.20 mm/s

Q: If a current of 5A flows through a conductor with a resistance of 7 ohms for 3 minutes, how many…

A:

Q: A capacitor with a capacitance of 3.5 μF is initially uncharged. It is connected in series with a…

A:

Q: Lightning is a bright flash of electricity produced by a thunderstorm. All thunderstorms produce…

A: Write the expression for the work. Here, q represents the charge and ΔV represents the potential…

Q: A typical lightning bolt may last for 0.197s and transfer 1.19 ✕ 1020 electrons. Calculate the…

A: The charge of  the electron is(e) 1.6*10-19 C Given that lightning bolt may last for(t) 0.197s and…