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A potential difference of 100 V is maintained across the two ends of a nickel wire of radius 2 mm and length 10 m. Calculate (a) the electric field intensity, (b) the current density, and (c) the electric current through the wire
A current of 1.82 A flows through a copper wire 1.75 m long and 1.10 mm in diameter. Find the potential difference between the ends of the wire.
You apply a potential difference of 4.3 V between the ends of a wire that is 2.2 m in length and 0.662 mm in radius. The resulting current through the wire is 17.6 A. What is the resistivity of the wire? (Give your answer in scientific notation using Ohm.m (Ω.m) as unit)
7. A 0.730 m length of conducting wire has its ends connected so as to form a conducting loop. An electrical current of 0.145 A is somehow flowing through the wire. The loop is place in an external magnetic field of 0.0482 T. What is the magnitude of the maximum possible torque that acts on this current-carrying loop if … a. the loop is circular? b. the loop is square? c. the loop is a rectangle with a length that...
A wire is 0.79 m long and 0.77 mm2 in cross-sectional area. It carries a current of 4.1 A when a 2.0 V potential difference is applied between its ends. Calculate the conductivity ? of the material of which this wire is made.
A wire is 0.79 m long and 0.82 mm2 in cross-sectional area. It carries a current of 3.8 A when a 2.4 V potential difference is applied between its ends. Calculate the conductivity σ of the material of which this wire is made.
A wire is 1.3 m long and 0.93 mm2 in cross-sectional area. It carries a current of 5.8 A when a 1.8 V potential difference is applied between its ends. Calculate the conductivity σ of the material of which this wire is made.
A wire 3.66 m long and 6.77 mm in diameter has a resistance of 21.7 m?. A potential difference of 17.5 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made. (a) Number Units (b) Number Units (c) Number Units A wire 3.66 m long and 6.77 mm in diameter has a...
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A wire of length 1.69 m and total mass 0.033 kg is fixed at its ends and held at tension T = 31.5 N. a. What is the velocity of a transverse wave on the wire? b. The wire vibrates at its fundamental frequency. What is the wavelength, λ, of the wave?