Q1 Match the physical situation with the Maxwell's equation that would be useful in analyzing the situation: (a) Gauss's law 1. Find the magnetic field inside a current-carrying coaxial cable. (b) Gauss's law for 2. Predict what an AC voltmeter reads magnetism whose leads encircle a coil. (c) Faraday's law 3. Find the amount of charge inside a box. (d) law Ampere-Maxwell 4. Relate the magnetic flux on one face of a cube to the magnetic flux on the other faces.
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- 2 wires A and B with equal currents directed out of the page are located at coordinates (0,-2) and (-2,0) respectively. The net field at the origin due to fields A and B points in the A. Quandrant IB. Quadrant IIC. Quadrant IIID. Quadrant IVE. nowhere, there is no net fieldA docs.google.com/forms/d/e. In the Hall Effect, the magnetic field is in z direction and the velocity is in x direction. ?What is the direction of the electric field z O Y O What does p/T represent? Where T is life time holes per second lost time holes Measurement of Hall coefficient in a semiconductor provides information on :the Sign and concentration of charge carriers Sign of charge carriers alone Mass and concentration of charge carriersThe NOAA Space Weather Scales describe three types of space weather storms: Geomagnetic storms, Solar Radiation storms, and Radio Blackouts. A single large solar event can result in all three types of storms being observed at Earth. Assuming a single solar event causes all three to occur, in what order would we expect to observe the three storms? Choose the correct order from the options below. The storms are listed by arrival time, from first to last. A. First Geomagnetic, then Solar Radiation, then Radio Blackout. B. First Solar Radiation, then Radio Blackout, then Geomagnetic. C. First Radio Blackout, then Geomagnetic, then Solar Radiation. D. First Geomagnetic, then Radio Blackout, then Solar Radiation. E. First Radio Blackout, then Solar Radiation, then Geomagnetic. F. First Solar Radiation, then Geomagnetic, then Radio Blackout.
- 1. You've recently read about a chemical laser that generates a 20-cm-diameter, 25 MW laser beam. One day, after physics class, you start to wonder if you could use the radiation pressure from this laser beam to launch small payloads into orbit. To see if this might be feasible, you do a quick calculation of the acceleration of a 20-cm-diameter, 100 kg, perfectly absorbing block. What speed would such a block have if pushed horizontally 100 m along a frictionless track by such a laser?Which scientist discovered that a compass can be deflected by a current-carrying wire? a. Hans Oersted b. Albert Einstein c. Galileo Galilei d. Sir Isaac Newton e. Michael FaradayPart A Estimate the rms electric field in the sunlight that hits Mars, knowing that the Earth receives about 1350 W/m? and that Mars is 1.52 times farther from the Sun (on average) than is the Earth. ? Erms = V/m
- A LASIK vision correction system uses a laser that emits 10-ns-long pulses of light, each with 2.5 mJ of energy. The laser is focused to a 0.85-mm- diameter circle. Part A What is the average power of each laser pulse? Express your answer using two significant figures. P = 2.5x105 W Submit Previous Answers Part B Correct What is the electric field strength of the laser light at the focus point? Express your answer using two significant figures. ΜΕ ΑΣΦ VAΣ+ ? хахь √x x x x.10" E-5.66 101 You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer N/CConsider a long, horizontal Large Wire with current of 10 A running through it. We want to levitate a horizontal, thin, 0.50 m length of wire above it. If the thin wire has a mass of 10 grams, and a current of 300 mA, how far above the Large Wire will it hover (net force of zero) due to magnetic and gravitational forces? A. If the thin wire hovers above the Large Wire due to their magnetic fields, are their currents going the same direction, or opposite directions. Explain. B. Draw a diagram and label the directions of currents, and all other relevant quantities and vectors. C. Find the distance above the Large Wire the small thin wire will hover (net force of zero). D. Would your answers to parts A and C change if we wanted to find a distance below (rather than above) the Large Wire that the smaller thin wire could hover, due to their magnetic fields. Explain. Don't calculate any values but draw a new diagram and explain how this situation compares to the problem above.1. Consider the four point charges arranged on the corners of a square as shown. Let the direction up towards the top of the page be N. The electric field at the center of the square will point (a) N (b) S (c) E (d) W (e) NE (d) NW (e) SE (f) SW +4 d 2. The diagram shows a current loop carrying current as shown. It is effectively (a) a north pole of a magnet (b) a south pole of a magnet (c) a monopole (d) not a magnet at all
- Helpme: 3. a. Draw Electric and Magnetic Field lines: Please differentiate between them. b. What would the separation between these objects, one carrying 1 C of positive charge and the other 1 C of negative charge, have to be if the electrical force on each was precisely 1 N? used in Hydrogen. ar the absorbed I I oton? Bus vrs. (6 rints) WLLS? I What is the esiste une light bulbs in ohms? D. What is ne pow consumed by the light bulb i c. If tw identic slide projectors are connected in par Vit Jurce nat is the total current draw c + project draw current 5/04/2023 peres when operating on uss th state Souce? same 1#Q4..