A certain resistor has a uniform cross-sectional area of 5.0 mm2 and a resistivity of 2x10-6Ω-m. A 15-V electric potential is applied across the ends of the resistor causing a 4.0x10-3 A current. Find (a) the resistance of the resistor and (b) the resistor’s length

Q: A 1.50 m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a…

A: (a) Resistivityof rod  at 20° = 1.05× 10^-5ohm /m (b) Temperature coefficient of resistivity at 20°C…

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Q: The figure shows wire section 1 of diameter D1 = 5.50R and wire section 2 of diameter D2 = 4.00R,…

A: Given: The diameter of section 1 is 5.50R. The diameter of section 2 is 4.00R. The length L is 1.70…

Q: Wire C and wire D are made from different materials and have length Lc Lo = 2.3 m. The resistivity…

A: length of rod C and rod D  is Lc = LD = 2.3m Resistivity of rod C = 4.4 x 10-6 ohm-m Resistivity of…

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Q: Wire C and wire D are made from different materials and have length LC = LD = 4.3 m. The resistivity…

A: Since you have posted questions with multiple sub-parts, we will solve the first three for you. To…

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Q: Wire C and wire D are made from different materials and have length Lc = Lp = 1.4 m. The resistivity…

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Q: The Figure shows wire section 1 of diameter D1 = 4.00R and wire section 2 of diameter D2 = 2.00R,…

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Q: The figure gives the electric potential V(x) along a copper wire carrying uniform current, from a…

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Q: In an experiment, the current through a wire is 0.200 A and the voltage across the wire is 0.800 V.…

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Q: ,E, = 61.8 V, and E, = 79.8 V.) Using Kirchhoff's rules, find the following. (E, = 71.0 4.00 kN d b.…

A: Given-  ε1= 71.0 V ,  ε2 = 61.8 V   , ε3 = 79.8 V R1= 2 kΩ = 2 x 103 Ω  R2= 3 kΩ = 3 x 103 Ω  R3= 4…

Q: d from the power supply and is connected to a resistor with a value of 250 Ω. Find how long does it…

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Q: A spool of copper wire 290 m long and with a diameter of 0.360 mm is at 20.0°C. For copper, the…

A: The wire's resistivity is, ρ=1.7×10-8 Ω The wire's length is, L=290 m The radius of wire is, r=0.360…

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Q: a) A1500W heater is connected to a 120V line. How many heat energy does it produce in 2.0hours? b)…

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Q: A straight, cylindrical wire lying along the x axis has a length of 0.500 m and a diameter of 0.200…

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Q: Consider a resistor of resistivity 3.84 x 105 2•m, length 10.44 m, and unknown cross-sectional area.…

A: resistivity = 3.84×10-5 Ω m length, l = 10.44m current density= 28.92 A/m2

Q: Wire C and wire D are made from different materials and have length Lc = LD = 3.2 m. The resistivity…

A: length, LC=3.2 mlength, LD=3.2 mreisitivity, ρC=4.7×10-6Ωmradius, rC=Dc2=0.505 ×10-3mcross sectional…

Q: A 1.50-m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a…

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Q: In your new job at an engineering company, your supervisor asks you to fabricate a resistor that has…

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Q: A tungsten wire has a radius of 0.097 mm and is heated from 20.0 to 1383 oC. The temperature…

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Q: In the figure the ideal batteries have emfs & = 21.3 V, E2 = 9.68 V, and ɛ3 = 5.10 V, and the…

A: As per guidelines we are suppose to do only three subpart from multipart question please post the…

Q: A spool of copper wire 200 m long and with a diameter of 0.320 mm is at 20.0°C. For copper, the…

A: Calculate the resistance of the wire.

Q: The figure shows wire section 1 of diameter D1 = 5.50R and wire section 2 of diameter D2 = 4.0OR,…

A: Given that ,  For section 1  Diameter ,D1 = 5.50R ; Radius ,r1 = 2.75R  For section 2  Diameter,D2 =…

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Q: A spool of copper wire 320 m long and with a diameter of 0.360 mm is at 20.0°C. For copper, the…

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Q: A spool of tungsten wire 320 m long and with a diameter of 0.480 mm is at 20.0°C. For tungsten, the…

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Q: A 100km long high voltage transmission line that uses an unknown material has a diameter of 3 cm and…

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Q: In the figure the ideal batteries have emfs ɛ = 21.3 V, 82 = 9.68 V, and ɛ3 = 5.10 V, and the…

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Q: A cylindrical nickel wire of radius 2.0 mm and length 1.6 m has a potential difference of 12 volts…

A: Given data:  Radius (r) = 2.0 mm = 2.0x10-3 m Potential difference (V) = 12 V Resistance (R) = 4.0 Ω…