Charge 1. In a lab experiment, a constant current of 10A flows along a wire for 20s. About how many electrons flowed into and out of the wire during this time?

Q: Q1.Nichrome wire has resistivity p=1.5*10-6 (Q.m) calculate the following a. The resistance per unit…

A: Resistivity of Nichrome wire is p = 1.5 x 10-6 ohm-m Radius of the wire is r = 0.321 mm Potential…

Q: A service station charges a battery using a current of 5.7 A for 7.0 h. What is the total charge in…

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Q: Variations in the resistivity of blood can give valuable clues to changes in the blood’s viscosity…

A: Given: The diameter of the vein is 1.5 mm. The distance between the points is 5.0 cm. The potential…

Q: An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.215 V/m imposed along…

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Q: A calculator draws a current of 0.0001 A for 5 minutes. How much charge flows through the…

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Q: An isolated conducting sphere has a 13 cm radius. One wire carries a current of 1.0000045 A into it…

A: The wire here is carrying the current into the sphere and other wire is drawing current out of it.…

Q: The terminals of a 0.70 V watch battery are connected by a 120-m-long gold wire with a diameter of…

A: This problem can be solved using ohm's law and resistance of metals formula. Given data , Voltage (…

Q: A 100-m-long copper wire of radius 0.24 mmmm and mass 160 g is connected across a 1.5-V battery. The…

A: Given: length, l=100 m radius, r=0.24 mm=0.24×10-3m voltage, V=1.5 V resistivity, ρ=1.7×10-8Ω⋅m

Q: A wire 4.0 m long and 6.0 mm in diameter has a resistance of 15 m2. A potential difference of 23 V…

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Q: 6. Three copper conductor rods have length, diameter and potential difference between the ends as…

A: A) For the rod 1, Length is L, Diameter is 3d and Potential difference is V Electric  field is given…

Q: A current of 9.8 A flows through a wire. Determine the number of electrons per second passing a…

A: In this question we have to determine the number of electrons per second passing at a given point of…

Q: A thermometer made of Platinum has a resistance of 50 at 20 C, what is the measured temperature (in…

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Q: Current and Resistance Problem 9:   An extension cord that has a length of 9.65m is made from wire…

A: Please see the attached image for the solution.  If there are queries or if the image is not…

Q: A fuse in an electric circuit is a wire that is designed to melt, and thereby open the circuit, if…

A: A fuse in an electrical circuit is a wire that is designed to melt if the current density rises 520…

Q: 1. Electron guns are used in X-ray tubes. The electrons are accelerated through a relatively large…

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Q: An aluminum wire 2.053 mm in diameter (12-gauge) carries a current of 1.5 amps. Overall Hint a. What…

A: The number density is found as n=ρM×NA Here ρ,M,NA are mass density, molar mass and Avogadro number…

Q: A simple circuit contains a 12 V battery and a light bulb with a resistance of 40 2. What is the…

A: Q17. Given Data: The volatge of the battery is: V=12 V The resistance of the light bulb is: R=40 Ω

Q: An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.215 V/m imposed along…

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Q: (1) What is a definition of electric current? Label the variables. (2) Suppose that 1016 electrons…

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