Consider a resistor of resistivity 1.7 x 10 0.m, length 17.69 m, and unknown cross-sectional area. What potential difference, in millivolts, should be applied across the said resistor so the current density in it is 49.93 A/m2
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complete solution and express answer in 4 decimals places
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- Consider a resistor of resistivity 3.84 x 10-5 Ω • m, length 10.44 m, and unknown cross-sectional area. What potential difference, in millivolts, should be applied across the said resistor so the current density in it is 28.92 A/m2?Consider a resistor of resistivity 3.89 × 10-5 Ω • m, length 15.21 m, and unknown cross-sectional area. What potential difference, in millivolts, should be applied across the said resistor so the current density in it is 36.69 A/m2?Consider a resistor of resistivity 4.12 × 10-8 Ω • m. If an electric field of 19 V/m is applied across the resistor and the electron volume concetration in the conductor is 5.82 × 1028 per m3, determine the drift velocity, in mm/s, of the free electron constituting the current.
- Consider a conductor of length 69 millimeters and inner and outer diameters 7.98 millimeters and 13.77 millimeters, respectively. The charge carriers, as a group, travels end to end of the conductor in 4.68 seconds. If the electron volume concentration of the conductor is 7.00 × 1025 electrons per cubic meter, find the total current, in amperes, through the conductor.A wire 3.77 m long and 6.81 mm in diameter has a resistance of 20.6 mΩ. A potential difference of 26.6 V is applied between the ends. What is the magnitude of the current density? Current in the wire is 1291.26 A Answer isnt 11284400, 3547400000,Consider a resistor of resistivity 3.12 × 10-5 Ω • m, length 17.89 m, and unknown cross-sectional area. What potential difference, in millivolts, should be applied across the said resistor so the current density in it is 41.62 A/m2? Express answers accurate to four decimal places.
- Consider a wire of a circular cross-section with a radius of R = 3.00 mm . The magnitude of the current density is modeled as J = cr2 = 5.00 × 106 Am4r2 . What is the current through the inner section of the wire from thecenter to r = 0.5R ?The magnitude of the current density in a certain lab with a circular cross section of radius R=4.00 mm is given by J= (3.00 × 10^8) r^2, with J in amperes per square meter and radial distance r in meters. What is the current through the outer section bounded by r = 0.500R and r = R ?consider a conducting wire made of copper. copper has a carrier density of 8.5x10^28 carriers/m^3 and an electrical resistivity of 1.7x10^-8 ohms*m and a charge of 1e/carrier. If a potential difference of 12V is applied between the ends of a copper wire that is 100m long and 1.0mm in diameter, how much current will flow?
- A cylindrical conducting wire which is 342.57cm long, 85.39mm thick and resistivity of 3.13Ω.m, (a) has the resistance of R = ? If current I = 12.9A is generated by flowing of 217 electrons/m3 via a conductor, Then the electrons through this conductor (b) have a density J = ?and (c) are drifting at a speed of VD = ?A cylindrical conducting wire which is 342.57cm long, 85.39mm thick and resistivity of 3.13Ω.m, If current I = 12.9A is generated by flowing of 217 electrons/m3 via a conductor, Then the electrons through this conductor (b) have a density J =?Determine the drift speed if given a cylindrical conductor of radius 1.50 mm with current density 2.50 A/m2 and free-electron density of 8.00×1028 m−3.