How did Maxwell fix Ampere's law in electromagnetic equations? Mention the physical significance of the correction. A magnetic field is given by the expression B = axzî+ byzj + ck. What is the relationship between a and b?
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How did Maxwell fix Ampere's law in
A magnetic field is given by the expression B = axzî+ byzj + ck. What is the relationship between a and b?

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- Suppose a uniform magnetic field is perpendicular to the x 11-in. page of your homework and a rectangular metal loop lies on the page. The loop's sides line up with the edges of the page. The magnetic field is changing with time as described by B = 4.42 x 10-3 t, where B is in teslas and t is in seconds. (a) Is the magnetic field increasing or decreasing? O increasing O decreasing (b).Find.the.magnitude of the emf induced in the loop. 4.7e-4 Enter a number. differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. V1. 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?A 11.3-A current flows through the wire shown as gray in the figure below. What is the magnitude of the magnetic field due to a 0.46-mm segment of wire (shown as yellow) as measured at (a) point A and (b) point B?
- two parts to a single questionA cube of edge length = 5.00 cm is positioned as shown in the figure below. A uniform magnetic field given by B = (4.9 î+ 4.0 ĵ + 3.0 k) T exists throughout the region. y l B (a) Calculate the magnetic flux through the shaded face. mWb (b) What is the total flux through the six faces? mWbA 35.6-meter-long spacecraft flies past a neutron star, and passes through the neutron star s extremely powerful magnetic field of strength 7.95 x 10^4 T. The spacecraft travels at a velocity of 2.43 km/s in a direction perpendicular to the magnetic field; the spacecraft s long axis is also perpendicular to the magnetic field. What is the induced emf (voltage) between the two ends of the spacecraft? 6.88E+08 V 6.88E+09 V 6.88E+06 V 6.88E+05 V
- Problem 4: Displacement currents. A planar capacitor has two circular plates with equal radii R separated by a distance h. A dielectric cylinder of a smaller radius r 2 at.Consider a straight conductor of length 15 cm. The conductor moves at right angles to a magnetic field of uniform strength B = 10-³ T generating e.m.f. of 2,5 x 10-5 V. Calculate the velocity of the straight conductor. Give your answer in Sl units. Answer: m/s ♦wrong
- You want to build a very strong electromagnetic for your home. You have 13 Ampere power supply, a lot of wire, and a 12.4 cm long solenoid. How many turns of that wire are you going to wind on that solenoid to make a 0.307 Tesla field? Assume an ideal solenoid and that your wire will not be damaged by your current.Consider the cylindrical conductor with a hollow center and copper walls of thickness b-a as shown. The radii of the inner and outer walls are a and b respectively. and the current I is uniformly spread over the cross section of the copper (shaded region). What is the magnitude of the magnetic field in units of nT at r- 24.1cm. a=13cm, b=30.5cm, 7- 200mA, Hom4 x 10 Tm/A. Provide your answer with two decimal places. A -- 01 (out of page)