4. [2pt] The resistance of a 180 m long piece of platinum wire is measured to...
2.m. A platinum wire 8o em long is to have a resistance resistance of air. what should its diameter be? The resistance of platinum is 1.14107 ® Calculate the amount of charge that cross section each second and the current density is a current of 5.0A exists in a wire of 0.50cm diameter. passes a
A Platinum wire & cm long is to have a resistance of 0.152 what should dominator be ? the resistance of Platinum is 1- 1410 -7 a calculate the amount of charge that passes a cross section each second and current density is a current of 5.0 A exists in a wire of 0.50 cm diameter.
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Part A What is the resistance of a 1.5-m-long copper wire that is 0.30 mm in diameter? Submit My Answers Give Up Part B What is the resistance of a 10-cm-long piece of iron with a 1.5 mm x 1.5 mm square cross section? Express your answer using two significant figures Submit My Answers Give Up
Calculate the resistance of a piece of gold wire that is 1.4 m long and has a diameter of 2.8 mm.
An unknown length of platinum wire 1.14 mm in diameter is placed as the unknown resistance in a Wheatstone bridge (see figure). Arms 1 and 2 have resistance of 39.6 92 and 28.8 12, respectively. Balance is achieved when R3 is 3.88 22.(Figure 1) Part A How long is the platinum wire? 190 AED ? Figure C 1 oft m B Rs Submit Request Answer Ammeter Provide Feedback RA 2 D
Calculate the resistance of a piece of 20-gauge gold wire 2.20 m long. The cross-sectional area of 20-gauge wire is 0.5176 mm2. Resistivity for ("calculator" notation, in ohm*meter) - aluminium: 2.65 e-8 copper: 1.72 e-8 gold: 2.24 e-8 iron: 9.71 e-8 nichrome: 1.00 e-6 platinum: 1.06 e-7 silver: 1.59 e-8 tungsten: 5.65 e-8
What is the resistance in () of an 18.5 m long piece of 29 gauge copper wire having a 0.286 mm diameter? X2
What is the resistance (in () of a 19.5 m long piece of 30 gauge copper wire having a 0.255 mm diameter? Ω
A wire of diameter 4.0 10-4 m and length 180 m has resistance of 45 Ω. What is the resistivity of the material? A. 1.36 10-6 Ω·m B. 3.14 10-6 Ω·m C. 7.98 10-7 Ω·m D. 3.14 10-8 Ω·m E. 7.98 10-9 Ω·m
A platinum, wire 80 cm long is ito have a resistance of 0.152 what should its diometer be ? the resistance of platinum is 1x10-^7