Of the following, the copper conductor that has the least resistance is: Select one: O a. Thin, long, and hot O b. Thick, short, and cool O C. Thick, long, and hot O d. Thin, short, and cool
Q: How many free electrons are there in a rectangular block of a conductor whose dimension is 8 m by 4…
A: Given Data : The dimension of the block is given as 8m×4m×3m The drift velocity of the electrons is…
Q: Which of the following graphs represents Ohm's law for a solid conductor at the constant…
A: Option (B) is correct.
Q: High-voltage power lines are a familiar sight throughout the country. The aluminum (resistivity =…
A:
Q: 15.Sketch I-V graphs for the following cases and identify which graph corresponds to which type of…
A:
Q: Of the following, the copper conductor that has the least resistance is: Select one: O a. Thin,…
A: The resistance of any conductor is given by R =ρLA Here ρ = resistivity of copper L = Length of…
Q: 1. Wires A and B are made of the same material and have the same length. Howeve the diameter of wire…
A:
Q: Can any arbitrary combination of resistors be broken down into series and parallel combinations? See…
A: No, the arbitrary combination of resistors cannot be broken down into the series and the parallel…
Q: An electric device delivers a current of 10 A for 10 seconds. How many electrons (1.6x10-19C) flow…
A: The charge is given by q = I t where, I is the current and t is time.
Q: What is the diameter of a 1.00-m length of tungsten wire whose resistance is 0.12 Ω
A:
Q: ften rated in "ampere-hours" or A-h. (a) Show that A-h has units of “charge” (like coulombs).…
A: Car batteries are often rated in "ampere-hours" or A-h
Q: gh-voltage power lines are a familiar sight throughout the country. The aluminum wire used for some…
A: resistivity p= 2.8×10-8 Ohm m l= 10 km= 10000 m A=4.9×10-4 m2 let the resistance of a wire of given…
Q: Three resistors, 21 0, 52 Q, and 100 Q, are connected in series, and a 0.50-A current passes through…
A: If R1,R2,R3 resistances are in series then their equivalent resistance is Req = R1+R2+R3
Q: The drift velocity inside a conductor is: directed perpendicular to the direction of the electric…
A: Drift velocity is a average velocity of electron inside a conductor due to applied external electric…
Q: Which one is correct for fuse wire ? (1) Low resistance and low melting point (2) High resistance…
A: The fuse wire in an electrical fuse is selected in such a way that it does not face any damage when…
Q: A coaxial cable of consists of two concentric cylindrical conductors. The region between the…
A: Given: The radius (r1) of the inner conductor is 0.50 cm. The radius (r2) of the outer conductor is…
Q: 8. What is the maximum value of a color coded resistor white, blue, red, silver? (answer should be…
A: Color coding of given resistor : White, blue , red and silver
Q: 26.) Which of the following is not true about ohmic materials? A.) The magnitude of their current…
A:
Q: High-voltage power lines are a familiar sight throughout the country. The aluminum (R = 2.82 x 10-8Ω…
A: It is given that resistivity, cross-sectional area and the length are respectively
Q: An electric device delivers a current of 10 A for 10 seconds. How many electrons (1.6x10-19C) flow…
A: Given, Current (I) =10A Time(T) =10 seconds We know, Charge(Q) = I * T Q= 10* 10 =…
Q: An electric device delivers a current of 0.5 A for 10 seconds. How many electrons (1.6x10-19C) flow…
A: Given: Current, I = 0.5 A. Time duration, t = 10 s. To Find: The number of electrons flow through…
Q: A steel trolley-car rail has a cross-sectional area of 56.0 cm2. What is the resistance of 10.0 km…
A:
Q: An electric device delivers a current of 1 A for 10 seconds. How many electrons (1.6x10-19C) flow…
A:
Q: Two wires of the same length and thickness are shown below: Wire A Wire B Nichrome Copper One wire…
A: Given: wire A : copper (excellent conductor) wire B : Nichrome (very poor conductor) since,…
Q: What is the difference between ohmic and non-ohmic conductors? O Ohmic conductor have constant…
A:
Q: 3.The diagram at the right depicts a conducting wire. Two cross-sectional areas are located 50 cm…
A: Given data : Time (t) = 2 seconds Charge (q) = 10 C Current (I) =?
Q: 4. Which of the following statements is true about non-ohmic resistors? a. They have a curve graph…
A:
Q: What would happen to the drift velocity of electrons in a wire if the resistance due to collisions…
A:
Q: Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a…
A:
Q: Choose true or false for each statement regarding the resistance of a wire. O While maintaining a…
A:
Q: A car battery has a rating of 290 ampere-hours. This rating is one indication of the total charge…
A: Given:- The battery has a rating of 290 ampere -hour. This rating is one indication of the total…
Q: There is a potential difference of 0.90 V between the ends of a 20 cm long graphite rod that has a…
A:
Q: 1. Which of the following is TRUE about electric charge? a. It can be lost. c. It is created from a…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Which of the following is TRUE about resistance of a metallic conductor? -A material that heats us…
A: Resistance is a materialistic property of every material. Resistance is the ratio of voltage to the…
Q: A silver wire 5 mm in diameter transfers a charge of 320-C in 70 minutes. Silver contains 5.8x1028…
A: d = 5 mm = 5 x 10-3 m r = d/2 = 2.5 x 10-3 m A = πr2 = 3.14 x (2.5 x 10-3)2 = 1.96 x 10-5 m2 Q = 320…
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…
Q: . A 60.0-W lamp is placed in series with a resistor and a 120.0- source. If the voltage across the…
A: Given: The power rating of the lamp is 60 W. The voltage across the lamp is 25 V. The total supplied…
Q: How does the resistance of a wire depend on its radius? Explain your answer.
A: The expression for the resistance of the wire is
Q: kenney works at an iron manufacturing plant. he make a piece of iron that has a resistivity of: 1.0…
A:
Q: Which of the following would increase the flow rate of electrons in a wire? Select all that apply V…
A: Rate of flow of charge is called current . Direction of current is taken opposite to direction of…
Q: At what temperature will aluminum have a resistivity that is two times the resistivity of copper at…
A: Given data *The given room temperature is T0 = 20° C *Aluminium resistivity is two times the…
Q: 5) A 10-A current flows for two minutes. (a) How much charge has passed through this circuit? (b)…
A: Given, Current=I=10 A time =t=2 min=120 sec Let charge Q is passing through the circuit since…
Q: When you press the lever on a toaster, a switch connects the heating wires to 120 V. The wires are…
A: As the temperature of the conductor increases, the resistance also increases.
Q: A 60-W light bulb typically has a current of 0.50-A flowing through it. Calculate (a) the number of…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 14.
A: 13)when two objects rubbing together, the electrons will move to the either one from one those who…
Q: A 5-meter-long conductor wth the diameter of 5mm is connected to a source and an external…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- (I) How much charge flows from each terminal of a 12.0-Vbattery when it is connected to a 500- µF capacitor?1. A. Discuss what electric current is with respect to how you understand drift velocity of moving electric charges. B. In what ways are electron flow and electric current the same? In what ways are these terms different? C. How is drift velocity dependent on current density?A small light-bulb draws 0.22-A current from a 6-V battery. In 2 min: a) How much energy does the battery supply? b) How many electrons passes through a point in the circut every second?
- (I) What is the magnitude of the electric field across anaxon membrane 1.0 X 10-8 m thick if the resting potentialis -70mVA cylindrical conductor has resistance R0=40 ohms. If we decrease the radius of the conductor by a factor of 2, while keeping the rest fixed, what is the new resistance? b. A battery with emf of 12 V, with an internal resistance of r=.5 ohms is connected in series with this cylindrical conductor (with radius reduced). what is its terminal voltage? Keep at least 6 sig. figs.A capacitor consists of two plates that are close together but not touching each other. Each plate has an area of 550 cm2 and the plates are separated by a distance of 0.90 cm air gap. Assume that the capacitor is connected across to a 500 V source. i. How much charge is stored on each of the plate? ii. How much energy is stored in the capacitor?
- 1) Why do we say the "voltage across" or "the voltage with respect to?" Why can't we just say voltage? a) Voltage is a measure of electric potential difference between two electrical points. b) It's an electrical cliche. c) The other point could be negative or positive. 2) If you plot voltage vs. current in a circuit, and you get a linear line, what is the significance of the slope? a) Power b) Discriminant c) Resistance 3) Which of the following would be the resistance an ideal voltmeter, which could measure a circuit while affecting it the least? a) The same resistance as the battery b) infinity c) The same as the total equivalent resistance of the entire circuit d) zero pls answer all thank youDescribe the general characteristic of a n-type and a p-type conductor?(I) What potential difference is needed to stop an electronthat has an initial velocity v= 6.6 x 105 m/s ?
- A coil of Nichrome wire is 25.0 m long. The wire has adiameter of 0.400 mm and is at 20.0°C. If it carries acurrent of 0.500 A, what are (a) the magnitude of theelectric field in the wire, and (b) the power delivered toit? (c) What If? If the temperature is increased to 340°Cand the voltage across the wire remains constant, whatis the power delivered?A 120 V potential difference is applied to a space heater that dissipates 500 W during operation. (a) What is its resistance during operation? (b) At what rate do electrons flow through any cross section of the heater element?1. Silver is composed of 5.8 x 1028 free electrons per cubic meter. If a silver wire with a diameter of 1.8 mm can allow charges of 360 C to flow in 1 hour,a. What is the current in the conducting wire?b. What is the magnitude of the drift velocity of the electrons in the conducting wire?