The specific resistance of a wirre depends upon its A. length B. diameter of cross-section C. mass D. nature of material
Q: A resistor is constructed of a carbon rod that has a uniform cross-sectional area of 5.00 m When a…
A: Part (33): Given: The potential difference is 16 V. The current in the wire is 4×10-3 A. The…
Q: Material= IRON Resistivity= 10x10 b) Suppose that you have a cylinder that is made of your material…
A: ρ = 10 x 10-8 Ω.m l = 20 cm = 0.20 m A = 4 x 10-4 m2 V = 9 V R = ? I = ? R' = ?
Q: The instructions for an electric lawn mower suggest that a 20-gauge extension cord can be used for…
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Q: consider a portable electric blanket that runs on a 6 V battery. If you use copper wire with a 0.5…
A: Given data: Battery Voltage (V) = 6 V Wire Diameter (D) = 0.5 mm = 0.5×10-3 m Power (P) = 20 W…
Q: 7.) A gold wire (Paold 2.44 x 10 Qm) has a length of 10 meters and a resistance of 0.5 Q. Determine…
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Q: A fuse is a device that is designed to break the circuit. It melts when the current exceeds its…
A: A fuse wire is a safety device which melts immediately when a strong current flows through it.
Q: 8-A 5.0 n resistance is required to be made from a copper wire with a cross section of 0.1 mm. The…
A: R = 5nΩ; Crross section = 0.1mm; V = 116 V; ρCu = 1.70 x 10-8 Ω.m
Q: 5 - A wire of length L and radius r has a resistance R. What is the resistance of a second wire made…
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Q: III. Heat I. Wire length II. cross section of wire Which of the following does the resistance of a…
A: Required: Factors on which the resistance of a conductor depends
Q: High-voltage power lines are a familiar sight throughout the country. The aluminum wire used for…
A: For a given shape, the resistance depends on the material of which the object is composed. Different…
Q: slab y 2 cm a red 8 cm shape X 5 cm shown in Fig What is the resistance of the it along the z axis?…
A: we will need to use the formula for electrical resistanceResistance (R) = Resistivity (ρ) * (Length…
Q: 7. Calculate the resistance of a 30.0 meter silver wire with a radius of .03 m. Hint: the wire is a…
A: This question can easily be solved by applying a basic concepts of resistance of the wire and…
Q: The equivalent resistance of resistors in parallel is always _____ than the _____ resistance in the…
A: Given: The equivalent resistance of resistors in parallel is always _____ than the _____ resistance…
Q: 4. Wire A and B are made of the same material and have the same length. However, the diameter of…
A: Given : da = 3 db Ra = 12 ohm
Q: Two wires have the same length and the same resistance. One is made from aluminum and the other from…
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Q: the resistance between the ends of this wire
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Q: Jairo says that you can increase the resistance of a copper wire by hammering the wire to make it…
A: Resistance of a wire is given by, By hammering wire and making it narrower and longer, length (L)…
Q: 4. is the potential difference that provides energy in a circuit. 5. Ohm's law states that _times 6.…
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Q: The resistance R of a material____ when its temperature
A: Resistance of a material is defined as the how much it will resist in flow of current. Resistance is…
Q: 2. The resistance of a rod with a length of 3.0m and a diameter of 1.0cm is 56.0 Q. If this rod is…
A: Given: Rod length L = 3 m Diameter D = 1.0 cm or 10-2 m. Resistance R = 56 ohm. Rod is stretched…
Q: Two wires of the same material and with the same length have different diameters. Wire A has twice…
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Q: Some wire of cross-sectional area 1mm? has a resistance of 20a. Determine (a) the resistance of a…
A: Cross sectional A1 = 10-6 m2 Resistance R1 = 20 Ω
Q: If both the diameter of a wire and its length are quadrupled , what will happen to its resistance?…
A: Solution: The expression for the resistance of a wire is given by: R=ρlA.........(i) where, ρ is…
Q: 4. The resistance of a resistor changes with temperature; the equation is given as: R= a T^2 + bT+…
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Q: A wire with a temperature coefficient of resistance (a = 0.0075/°C) has a resistance of 6.28 2 at…
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A: The resistance of the conductor is directly proportional to its length And the resistance of the…
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Q: A uniform conductor of length I and cross-sectional area A. When the cross-sectional area decreases,…
A: Given: A uniform conductor of length l, and cross sectional area A.
Q: 5.) A 5.0-meter long tin wire has a cross-sectional area of 2.0 x 10 m2 and a resistance of 0.35 Q.…
A: Write the expression for the resistivity. Here, R represents the resistance, A represents the area,…
Q: Question 7 A 2.0 mm diameter wire of length 20 m has a resistance of 0.25 2. What is the resistivity…
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Q: Q9) Which of the following factors would decrease the resistance through a conducting wire? A)…
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Q: You make a resistor out of clay by rolling it into a cylinder. If you modify it by rolling into a…
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Q: 7. "The wider the road, the more cars can pass through". Which of the following factors affecting…
A: We need to tell which factor affecting the resistance fits the given analogy.
Q: 12 At 20 C, a copper wire has a diameter of 4 mm, a length of 20m, a resistivity of 1.7x10 ° Om and…
A: Resistance in the circuit connected to a voltage source is proportional to the length of wire L and…
Q: What is the resistance of a wire made of a material with a resistivity of 3.2 × 10 ° 2 ·m if its…
A: Given, the resistivity of material ρ =3.2×10-8 Ω.mlength l =70.1 mdiameter =0.50 mmradius of wire…
Q: 5. How does the resistance of two copper wires compare if wire X is twice as long as wire Y and has…
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Q: Which of the following best describes the temperature coefficient of resistance of a certain…
A: R2 = R1 [ 1+ a(T2 - T1) ] R2 = resistance at temperature T2 R1 = resistance at temperature T1 a…
Q: . The maximum power consumption of an air fryer is 1500 W. If it is connected to a 220-V line, (a)…
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Q: Material= IRON Resistivity=10x10 a) Calculate the conductivity of your material. Compare the…
A: We are allowed to give the explanation of first three subparts of a question only which is given…
Q: If a third resistor (R3), identical to the other two, is added in parallel with the first two, then…
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Q: A gold wire with a circular cross-section has a mass of 1.50 g and a resistance of 0.690 N. At 20°C,…
A: The resistance of a conductor is directly proportional to its length and inversely proportional to…
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