A ribbon of nichrome (resistivity = 1.00 A 10-6 Ω·m) with a rectangular cross sectional area of (0.25 mm x 1.00 mm) and 21.9 cm in length is used as a heating element in a toaster. What is the total resistance of this ribbon?   Select one: a. 1.0   b. 1.5   c. 1.1   d. 0.88   e. 1.3

Q: 20. A conductor of cross-sectional area A, length l, and resistivity ρ has resistance R. What is the…

A:

Q: a. What diameter of copper wire [p = 2.65 x 10^-8 ohm.m) should be used so that a 22.0 m length will…

A: Part (a) Given: The resistivity of copper wire is ρ=2.65×10-8 Ω·m. The length of wire is L=22.0 m.…

Q: The current in a resistor decreases by 8 A when the voltage applied across the resistor decreases…

A:

Q: A battery with an emf of 24 V and an internal resistance of 2.0 is connected to two resistors as…

A:

Q: a. Suppose a cylindrical wire is 1.00 meters #4 Resistance and Ohm's Law in length with a radius of…

A:

Q: A cylindrical resistor of radius 3.0 mm and a length of 3.0 cm has a resistivity of 2.6 x 10-3 Ωm.…

A:

Q: A rod (length = 40 cm) with a rectangular cross section (1.5 mm X2.0 mm) has a resistance of 0.20 .…

A:

Q: Number 12 copper wire (diameter 0.08080 inch) used for electrical installations in homes. What is…

A: Given, Diameter of wire,d=0.08 inch=0.002 m Length,L=50 m Resistivity,ρ=1.7×10-8Ωm Current,I=6 A

Q: 2. An air conditioner draws 14.0 A at 220-V. The connecting cord is copper wire (resistivity of…

A: As you have not mentioned the number of questions to be solved. According to Bartleby Policy, we…

Q: What is the total resistance in the following cable? It is iron wire with resistivity of 9.7x10-⁸…

A:

Q: A piece of iron rebar on a construction site measures 2 cm in diameter and is 3m long. What…

A: The resistance can be found using R=LσA Where, σ is electrical conductivity of the material,L is…

Q: The graph below represents the relationship between the resistance and the length of a of a…

A: We know that the formula of the electric resistance is given as  R = ρLA R is the resistance  L is…

Q: A ribbon of material with a rectangular cross sectional area of (0.25 mm x 1.00 mm), length 21.9 cm…

A:

Q: The graph below represents the relationship between the resistance and the length of a wire of a…

A:

Q: The current in a resistor decreases by 8 A when the voltage applied across the resistor decreases…

A:

Q: certain wire has resistance R.Another wire, of the same material, has half the length and half the…

A: Write the given values of the problem- Resistance=R Let length of the first wire=L Radius of the…

Q: A potential difference of 2.0 V is applied across a cylindrical conductor. The conductor is 20.0 m…

A:

Q: 10. A resistor made from a material with a p = 78  Ω m. The resistor is cylindrical with a length of…

A: A) 200 kΩB) 15 μAC) 300 μC  The solutions are given below.Explanation:A) Resistance:L = 3.9 cmr =…

Q: What is the resistance (in units of 0) of a wire made of a material with a resistivity of 3.2 x 108…

A:

Q: 1. You have 4 iron (p=9.7x10-2m) cylinders. The resistance is measured between the 2 flat ends. The…

A:

Q: Two steel conductors are bent into rectangular prisms with square bases of lengths a and/, where…

A: Let the resistivity of the steel be ρ .   We have resistance of resistor with length L and…

Q: An ideal battery has an emf of 12 V. If it is connected to a circuit and creates a current of 4.0 A,…

A: Givenemf of an ideal battery = 12 V Current through a circuit = 4.0 A We have to calculate the…

Q: 1.70 mm cylindrical rod of diameter 0.550 cm is connected to a power supply that maintains a…

A:

Q: A copper wire of 10 Q and length L. At what point along its length must the wire be cut out so that…

A: Given data, Resistance of wire R = 10 ohm Length of wire is L The resistance of the wire is…

Q: A copper wire of 10 Q and length L. At what point along its length must the wire be cut out so that…

A: Given : Length of copper wire is L             Resistance of wire = 10 ohms

Q: Two aluminum wires have the same resistance. If one has twice the length of the other. What is the…

A: Let the length of the shorter wire is L having diameter d.  And length of the longer wire is 2L…

Q: 6. Five resistors are connected as shown in the diagram. The potential difference between points A…

A:

Q: What is the resistance of the block measured between the two square ends?

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A cylindrical resistor of radius 3.0 mm and a length of 3.0 cm has a resistivity of 2.6 x 10-3 Ωm.…

A:

Q: A copper wire has a resistance of 0.0200. What would be the resistance of another copper wire that…

A: Given data:  Resistance (R) = 0.020 Ω New length (L') = 3L New radius (r') = r/2 Required: The new…

Q: hat is the electrical resistance of a copper wire that has a radius of 0.80 mm and a length of 2.0…

A: Given: The radius of the wire is 0.8 mm. The length of the wire is 2 m. The resistivity of the wire…

Q: PA were to go Voitage dropped across their resistance Select one: O A3,45 x10° v O B. 3.45 μν 3.45…

A: according to Ohm's law, voltage drop across a resistor R through which current flowing is "I" is  V…

Q: Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the…

A: Given : Two resistors of equal resistance R are connected in parallel across a cell with emf V.

Q: A lead rod has a length of 30.00cm and a resistance of 5.00μ. What is the radius of the rod? (Hint:…

A:

Q: A light bulb has a resistance of 2402, when operating at a voltage of 120 V. What is the current in…

A: Required :: The current in the bulb, i .

Q: The conduction electrons in a cylindrical, current-carrying wire have a drift velocity of 0.35 mm/s.…

A: Given Drift velocity vd = 0.35 mm/s = 0.35 × 10-3 m/s Radius of wire r = 1 mm = 10-3 m Number of…

Q: A1. A hair blower contains a heating element which has a resistance of 57 Ω. This heating element is…

A: Resistance, R = 57 Ω  Potential difference, V = 220 V

Q: 9. Four resistors R₁ = 30 02, R₂ = 65 2, R₂ = 20 02, and R₁ = 40 2 are connected as shown below.…

A: The circuit diagram is shown below.

Q: What is the equivalent resistance between points a and b when R = 18.6 Q? R R R R R Select one: A.…

A:

Q: The conduction electrons in a cylindrical, current-carrying wire have a drift velocity of 0.35 mm/s.…

A: Problem 1 Given Drift velocity is given as vd=0.35 mm/s=0.35×10-3 m/s Number of conduction electrons…

Q: What is the resistance of the combination of resistors shown below?

A:

Q: Two aluminum wires have the same resistance. If one has twice the length of the other. What is the…

A: Let L be the length of the shorter wire and d be diameter.  Then, Length of the longer wire will be…