Given a current J = 0.5r-¹e-10¹t A/m², determine p、(r, t) by integrating V · J (making sure på → 0 as t → ∞o).
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A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…
Q: What would the Hall voltage be (in µV) if a 2.40 T field is applied across a 14-gauge copper wire…
A: Applied magnetic field, B = 2.40 T Diameter of the copper wire, d = 1.628 mm = 1.628 x 10 -3 m…
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Q: What would the Hall voltage be (in µV) if a 2.40 T field is applied across a 14-gauge copper wire…
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- Two parallel plates with an area of 3.0 cm2 are separated by a 2.5 mm thick dielectric with a constant of 4.70. If the potential difference between the plates is 120 V and the conduction current ic is 6.00 mA a) what is the charge (q) on each plate?What are the expected readings of the following in the figure below? (R = 9.10 Q, AV = 6.20 V) A R Δν 10.0 N + V 5.00 N + 4.50 V (a) ideal ammeter (Give your answer in mA.) (b) ideal voltmeter (Give your answer in volts.) V (c) What If? How would the readings in the ammeter (in mA) and voltmeter (in volts) change if the 4.50 V battery was flipped so that its positive terminal was to the right? ideal ammeter ideal voltmeter VShow complete solution. Answer should be in 4 decimal places.
- A scientist just bought a very cool magnet, and would like to measure it’s strength. She takes a stripof copper with width 3.0cm, and a rectangular cross-section of 0.004m^2 and runs a current of 0.5Athrough it. She knows copper has a free charge density of 8.491× 10^28 m−3. She holds the magnetnear the strip, and measures a voltage across the sides of the strips, and her voltmeter reads 11.2 nV-what is the strength of her magnet?ou have a summer job as an assistant technician for a telephone company in California.During a recent earthquake, a 1.0-mile long underground telephone line is crushed atsome point. This telephone line is made up of two parallel copper wires of the samediameter and same length, which are normally not connected. At the place where theline is crushed, the two wires make contact. Your boss wants you to find this placeso that the wire can be dug up and fixed. You disconnect the line from the telephonesystem by disconnecting both wires of the line at both ends. You then go to one end ofthe line and connect one terminal of a 6.0-V battery to one wire, and the other terminalof the battery to one terminal of an ammeter. When the other terminal of the ammeteris connected to the other wire, the ammeter shows that the current through the wire is1.0 A. You then disconnect everything and travel to the other end of the telephone line,where you repeat the process and find a current of 1/3 A.Your desk lamp draws a current of 0.20 A for 500 s. How much charge fows through the lamp in this time? How many electrons fow through the lamp in this time? [Answer: (a) ∆Q = 100 C,(b) N = 6.3 × 1020 electrons]