What is the resistance of Part A A 1.1-m-long gold wire that is 0.50 mm in diameter? Express your answer in ohms. V ΑΣφ ? R = 0.12 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B A 80-cm-long piece of carbon with a 1.0 mm x 1.0 mm square cross section? Express your answer in ohms. να Αφ R = 8 Submit Previous Answers Request Answer
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- ll JO 100 4G 2:33 AM C 40% 4 A Imssb1.mutah.edu.jo Marked out of 6.25 P Flag question What is the equivalent resistance between points A and B when R = 78.7 N? 5R В R R 5R A 4R Select one: O A. 138.88 O B. 118.05 O C. 243.97 O D. 131.17 O E. 401.37What is the resistance (in m2) across a cylindrical piece of gold (resistivity p=0.022 µ0.m) that has a length of L=4.44 m and diameter of D=1.98 mm? O 23.56 O 36.82 O 15.82 O 21.97 O 31.72Question A2 Pure copper has a resistivity of 1.68 x 10-8 Nm. Some accurate cubes of copper are prepared, and electrical measurements are made, for which current is passed across a pair of opposite faces. a) Comparing a 2.5 cm cube and a 5 cm cube, which will have the higher conductance? Ex- plain your answer. b) Given eight 1 cm cubes, how can they be stacked to get the highest and the lowest resis- tance between opposite faces of the stack? Calculate the resistance of each stack.
- Please need the correct answer to the given question.What is the resistance of Part A A0.700 m long copper wire that is 0.600 mm in diameter? Hνα ΑΣφ ? Ω Submit Request Answer Part B A 90.0 cm long piece of carbon with a 0.800 mm x 0.800 mm square cross section? Hνα ΑΣφ ? ΩRefer to Figure C If 0.050 A of current flows across the 300 ohms resistor, what is the voltage drop in 100-ohms resistor? Select one: a. 10 V b. 40 V c. 20 V d. 15 V
- Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.Multiple Choice. A resistor has the following color code: red-red-orange-yellow-gold. What is its resistance?Two aluminum wires have the same resistance. If one has twice the length of the other. What is the ratio of the diameter of the longer wire to the diameter of the shorter wire? O A. 1.41 О в. 2 OC. 0.71 D. 0.5 O E. None
- 1. Consider a cylindrical wire that has conduction electron density 6.0 x 1028 and radius 0.5 mm. An electric field with strength 1 m3 7.5 x 10-4 creates a current of 4.8 × 10" electrons per second. a) What is the average drift speed for an electron? (include units) b) What is the average time in between electron collisions? fs (express your answer in femtoseconds)4) Gold wire Al = 10 m long cylindrical wire made of gold (resis- tivity pAu = 2.44 × 10¬8 Nm at To = 20° C, temperature coefficient aAu = 3.4 x 10-3 (°C)¯) has a resistance of R = 12. a: What is the radius r of the wire? b: If the wire is twice as long, the radius is ... 1. twice as big O 2. 2 larger O 3. a fourth O c: What is the resistance of the wire at T 1000° C? %3DIn Europe the standard voltage in homes is 220 V instead of the 120 V used in the United States. Therefore a "100 W" European bulb would be intended for use with a 220 V potential difference. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Increasing the resistance. ▼ If you bring a "100 W" European bulb home to the United States, what should be its U.S. power rating? Express your answer to three significant figures and include the appropriate units. P = Submit Part B Value I = Request Answer Units How much current will the 100 W European bulb draw in normal use in the United States? Express your answer to three significant figures and include the appropriate units. Value Units ? wwwww ?