A wire with a resistance of 6.0 ohm is drawn outthrough a die so that its new length is three times its originallength. Find the resistance of the longer wire, assuming that the resistivityand density of the material are unchanged.

Q: Find the maximum current that a fully charged D-cell can supply-if only briefly-such that its…

A: Answer Given data  Terminal voltage of D-cell = v = 1.10 v emf of D- cell = ϵ = 1.70 v Internal…

Q: A resistor made of Nichrome wire is used in an application where its resistance cannot change more…

A:

Q: A certain lightbulb has a tungsten filament with a resistance of 21.7 2 when at 20.0°C and 144 2…

A:

Q: A certain lightbulb has a tungsten filament with a resistance of 22.4 N when at 20.0°C and 143 N…

A:

Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…

A:

Q: Assuming a constant temperature coefficient of resistivity, what is the maximum percent decrease in…

A:

Q: The temperature coefficient of a certain conducting material is 4.78 × 10-3 (°C)-1. (a) At what…

A:

Q: The wires of our appliances are insulated with a material mixed with rubber, which has a very high…

A: The resistance of the given rubber is  R=ρlA=ρlπro2-πri2=ρlπro2-ri2

Q: 1 0.500-meter length of wire with a cross-sectional area of 3.14 x 106 meters squared is found to…

A: Given value--- length = 0.5 m. Area = 3.14 × 10-6 m2 . Resistance = 2.53 × 10-3 ohm. We have to…

Q: In the given circuit, an ideal voltmeter connected across the 10 Q resistance reads 2V. The internal…

A:

Q: Using the exact exponential treatment, find how much time is required to discharge a 270 µF…

A:

Q: A copper wire whose resistivity is 0.0043/°C at 0°C has its resistance increases by 25% of its…

A:

Q: Suppose you wish to fabricate a uniform wire from a mass m of a metal with density p and resistivity…

A: (a) The length of the uniform wire The equation for the volume is  V=mρm The volume is written as…

Q: ine the resistance of a conductor 0.119m long, with a uniform diameter of 1.19 cm and having a…

A: Given Length of conductor, Lo=0.119 mDiameter of conductor, d=1.19 cmResistivity, ρ=0.319+10-4 L2 Ω…

Q: Although caution must be used in applying ρ = ρ0(1 + αΔT) and R = R0(1 + αΔT) for temperature…

A: The original resistance of the filament,   The temperature change,

Q: A wire whose length is 2m and whose diameter is 1.5mm carries a current of 1.2A. The wire dissipates…

A: The resistance of the wire is related to its length and cross sectional area of the wire by the…

Q: A 560-W heating coil designed to operate from 110 V is made of Nichrome wire 0.640 mm in diameter.…

A:

Q: For some an application, it is important that the value of a resistance not change with temperature.…

A: Given: Total resistance of carbon & nichrome wire-wound resistor, Rt=4.7 kΩ Standard data:…

Q: A given copper wire has a resistance of 5.00 Ω at 20.0°C whilea tungsten wire of the same diameter…

A: Equate the resistance of copper and tungsten

Q: (I) Four 1.50-V cells are connected in series to a 12.0 Ωlightbulb. If the resulting current is 0.45…

A: Four cell of 1.50-V cells are connected in series to a 12.0 Ω light bulb. If the resulting current…

Q: A 500-W heating coil designed to operate from 110 V ismade of Nichrome wire 0.500 mm in diameter.(a)…

A:

Q: res have the same resistance and radius. If the wires are made of tungsten and copper with…

A: Resistance R=ρL/A

Q: . A certain lightbulb has a tungsten filament with a resistance of 19.0 N when at 20.0°C and 140 N…

A:

Q: A copper wire has a resistance of 0.500 Ω at 20.0oC ,and an iron wire has a resistance of 0.525 Ω at…

A: Given:- Copper wire resistance Rc = 0.5 ohm at 20 degrees. Iron wire resistance Ri = 0.525 ohm To…

Q: Compute the equivalent resistance of the network in the given figure, and find the current in each…

A: Given data: Resistances: R1=1.00 ΩR2=3.00 ΩR3=7.00 ΩR4=5.00 Ω Emf: ε=48.0 V

Q: The wires of our appliances are insulated with a material mixed with rubber, which has a very high…

A: Here the inner surface diameter is 0.5 mm and the outer surface diameter is 5 mm. Again the length…

Q: Find the ratio of the diameter of aluminium (ρAl=2.7x10-8Ω∙m) to copper (ρCu=1.7x10-8Ω∙m) wire, if…

A: Given data: Resistivity of aluminum, ρAl =2.7×10-8Ωm Resistivity of copper, ρCu =1.7×10-8Ωm Length…

Q: If it is known that the resistance of a copper wire of (200 m) long is equal to (21 N), and that the…

A:

Q: Find the resistance at 20°C of an annealed copper bus bar 3 m in length and 0.5 cm by 3 rectangular…

A:

Q: A certain lightbulb has a tungsten filament with a resistance of 21.7 2 when at 20.0°C and 144 2…

A: Given : resistance of tungsten filament at 20 °C, R20 = 21.7 Ω Resistance of tungsten filament at…

Q: Given that copper's temperature coefficient of resistivity is about 3.9 × 10-3 °C-', to what…

A: Answer             Temperature = 256.41             No

Q: Assuming a constant temperature coefficient of resistivity, what is the maximum percent decrease in…

A: The expression for resistance,

Q: The power rating of the heater a Nichrome wire that has a total resistance of (8 Q) and carried a…

A:

Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…

A:

Q: Compute the equivalent resistance of the network in the given figure, and find the current in each…

A:

Q: If a wire is stretched to double its original length without loss of mass, how will the resistivity…

A: The resistivity of material is a property of material it is fixed for material.

Q: A cylindrical resistor is to be constructed so that it offers the same resistance whether the…

A: The length of the resistance in millimeter is 81.5 mm , in centimeters it is 8.15 cm

Q: Consider 3 resistors with resistances 1.15 × 102 Ω, 2.1 kΩ, and 3.8 kΩ. What would be their…

A:

Q: Find the value of R so that the power of 10k2 load resistor is 10mW, by assuming the source voltage…

A: This is an op-amp and the given circuit is a noninverting amplifier. Given(s): The input voltage,…

Q: Is it possible to connect a group of resistors of value R in such a waythat the equivalent…

A: If two or more number of resistors of different or equal resistances is connected in parallel…

Q: A metallic wire is stretched from original length of 2 m to 6 m. If the original cross-sectional…

A:

Q: Calculate the resistance of a copper wire with a diameter of 2.5968 mm having a length of 1000 m at…

A: Given data: Diameter of copper wire is, d=2.5968 mm=2.5968×10-3 m. Length of copper wire is, L=1000…